Historical Events on September 15: Significant Moments in History
Throughout history, certain dates stand out for the remarkable events that unfolded on them. From turning points in politics to cultural breakthroughs, these days often carry significance that echoes through time. Explore the most important events that occurred on September 15, revealing the lasting impact they've had on the world.

Events on September 15 - Key Moments Throughout History
- 1900 Founding of Rikken Seiyūkai political party in Japan: On September 15, 1900, the Rikken Seiyūkai political party was founded in Japan. This party played a significant role in Japanese politics during the early 20th century, advocating for constitutional government and political reform. source: britannica.com
- 1901 Memorial services for President McKinley: On September 15, 1901, memorial services were held for President William McKinley, who had died on September 14 from gunshot wounds. The services were attended by government officials and citizens to honor his memory. source: history.com
- 1908 Uneventful Day in 1908: While no major historical events were recorded for September 15, 1908, this does not necessarily mean nothing of significance occurred. Many days in history pass without dramatic global events, yet local and personal histories continue to unfold. The early 20th century was a period of significant global transformation, with technological innovations, social changes, and geopolitical shifts happening rapidly.
- 1912 Balkan Conflict Erupts: On September 15, 1912, the Balkan League—comprising Serbia, Greece, Bulgaria, and Montenegro—initiated the First Balkan War by declaring war on the Ottoman Empire. This coordinated action aimed to seize Ottoman territories in the Balkans, marking a significant escalation in regional tensions. source: britannica.com
- 1914 Battle of Aisne in World War I: On September 15, 1914, the Battle of the Aisne continued, with British and French forces engaging German troops along the Aisne River in France during World War I. source: en.wikipedia.org
- 1921 Jackie Cooper born in Los Angeles, California: Jackie Cooper, an American actor and television director known for his work in film and television, was born on September 15, 1921, in Los Angeles, California. source: en.wikipedia.org
- 1924 The Dawes Plan Takes Effect: On September 15, 1924, the Dawes Plan, an arrangement for Germany to pay reparations following World War I, took effect. This plan aimed to stabilize the German economy and facilitate reparations payments. source: history.com
- 1926 Assassination attempt on Benito Mussolini: Another assassination attempt on Mussolini occurred on September 15, 1926. This attempt further intensified the political climate in Italy during his regime. source: britannica.com
- 1928 Discovery of penicillin: The discovery of penicillin by Alexander Fleming occurred in 1928, marking a significant breakthrough in medicine. This antibiotic revolutionized the treatment of bacterial infections and has saved countless lives since its introduction. Fleming's work laid the foundation for modern antibiotics. source: ncbi.nlm.nih.gov
- 1931 Invergordon Mutiny in the British Royal Navy: Between September 15 and 16, 1931, approximately 1,000 sailors of the British Atlantic Fleet mutinied at Invergordon, Scotland, protesting proposed pay cuts amid the Great Depression. The unrest led to a panic on the London Stock Exchange and a run on the pound, prompting Britain to abandon the Gold Standard on September 21, 1931. source: en.wikipedia.org
- 1935 Nuremberg Laws enacted in Nazi Germany: On September 15, 1935, Nazi Germany enacted the Nuremberg Laws, which included the Reich Citizenship Law and the Law for the Protection of German Blood and German Honour, stripping Jews of their citizenship and prohibiting marriages between Jews and non-Jews. source: en.wikipedia.org
- 1939 German Wehrmacht besieges Warsaw: On September 15, 1939, the German Wehrmacht intensified its siege of Warsaw, further tightening its grip on the city. This military action was crucial in the broader context of the invasion of Poland, which was a key early campaign in World War II. source: britannica.com
- 1940 Battle of Britain Day: Decisive air battle: September 15, 1940, is recognized as Battle of Britain Day, marking a decisive air battle where the Royal Air Force successfully repelled the Luftwaffe's attacks. This day is celebrated for the bravery of the RAF pilots and is seen as a turning point in the war, contributing to the eventual defeat of Nazi Germany. source: britannica.com
- 1941 German encirclement of Soviet forces near Kiev: On September 15, 1941, German forces completed the encirclement of Soviet troops near Kiev, trapping approximately 452,700 Soviet soldiers. This operation was part of the larger Battle of Kiev, which resulted in significant Soviet casualties and prisoners. source: britannica.com
- 1942 USS Wasp sunk by Japanese torpedoes: On September 15, 1942, the USS Wasp was sunk by Japanese torpedoes during World War II. The aircraft carrier was hit while supporting operations in the Pacific Theater, marking a significant loss for the U.S. Navy. source: britannica.com
- 1943 Allied forces secure critical Salerno beachhead: On September 15, 1943, Allied forces successfully secured a beachhead at Salerno, Italy, during World War II. This operation was crucial for the Allies to establish a foothold in mainland Europe and advance against Axis forces. source: britannica.com
- 1944 Quebec Conference (Octagon): The Quebec Conference, codenamed "Octagon," was a pivotal meeting during World War II held from September 12 to 16, 1944, in Quebec City, Canada. British Prime Minister Winston Churchill and U.S. President Franklin D. Roosevelt met to discuss military strategy and post-war plans. Key outcomes included agreements on the invasion of France (Operation Overlord), coordination of Allied forces, and the establishment of the United Nations. The conference solidified the partnership between the U.S. and the UK, shaping the final phase of the war. source: en.wikipedia.org
- 1945 US Fifteenth Air Force inactivated: On September 15, 1945, the US Fifteenth Air Force was officially inactivated following the end of World War II. This marked a significant transition in the US military structure as forces were reduced in the post-war period. source: afhistory.af.mil
- 1946 Establishment of People's Republic of Bulgaria: On September 15, 1946, the People's Republic of Bulgaria was officially established, marking a significant political shift in the country's history. source: en.wikipedia.org
- 1947 Typhoon Kathleen devastates Japan's Kanto region: Typhoon Kathleen struck Japan's Kanto region on September 15, 1947, causing severe flooding and resulting in at least 1,077 fatalities. The typhoon's heavy rainfall led to the overflow of the Tone River, inundating areas including Tokyo and Saitama Prefecture. source: en.wikipedia.org
- 1949 WJAC TV Channel 6 launches in Johnstown, Pennsylvania: WJAC-TV, Channel 6, began broadcasting in Johnstown, Pennsylvania, on September 15, 1949. It was originally owned by the Johnstown Automotive Company and was the third-smallest television station in the country market-wise to be granted a commercial license at that time. source: en.wikipedia.org
- 1950 Korean War: Inchon Landing: On September 15, 1950, during the Korean War, U.S. Marines initiated an amphibious assault at Inchon, South Korea, marking a significant turning point in the conflict. source: history.com
- 1951 Emil Zatopek sets world record in 20km run: Czech long-distance runner Emil Zatopek set a new world record in the 20km run on September 15, 1951. This achievement added to his reputation as one of the greatest distance runners in history, known for his unique training methods and competitive spirit. source: britannica.com
- 1952 Formation of the European Parliamentary Assembly: The European Parliamentary Assembly was formed on September 15, 1952, as part of the European integration process. It aimed to provide a platform for dialogue among European nations and to promote cooperation in various sectors. source: europarl.europa.eu
- 1956 First Soviet Commercial Jet Airliner Takes Flight: On September 15, 1956, the Tupolev Tu-104, the Soviet Union's first commercial jet airliner, began revenue service with Aeroflot on the Moscow-Omsk-Irkutsk route, significantly reducing flight times and enhancing passenger comfort. source: en.wikipedia.org
- 1957 West German Parliamentary Election of 1957: On September 15, 1957, West Germany held its third federal election, resulting in a significant victory for the Christian Democratic Union (CDU) and its Bavarian ally, the Christian Social Union (CSU). The CDU/CSU secured 270 seats in the Bundestag, achieving the first absolute majority for a single party in German parliamentary history. source: en.wikipedia.org
- 1959 Luna 2: First lunar impact: On September 15, 1959, the Soviet Luna 2 spacecraft successfully impacted the Moon, marking the first time a human-made object reached the lunar surface. This event was a pivotal moment in the history of space exploration. source: nasa.gov
- 1960 Cuba nationalizes tobacco industry: On September 15, 1960, the Cuban government announced the nationalization of the tobacco industry, a significant move in the context of the country's broader economic reforms following the revolution. source: bbc.com
- 1961 United States resumes underground nuclear testing: On September 15, 1961, the United States resumed underground nuclear testing. This marked a significant development in the Cold War era, as the U.S. continued to advance its nuclear capabilities. source: history.com
- 1962 USSR conducts nuclear test at Novaya Zemlya: On September 15, 1962, the Soviet Union conducted a nuclear test at the Novaya Zemlya test site in the Arctic Ocean. This test was part of a series of 78 nuclear tests conducted by the Soviet Union in 1962. source: en.wikipedia.org
- 1963 Ben Bella becomes first president of Algeria: Ahmed Ben Bella was inaugurated as the first president of Algeria on September 15, 1963, following the country's independence from France. His presidency marked a significant shift in Algeria's political landscape as he aimed to implement socialist reforms and strengthen national identity. source: britannica.com
- 1964 The Beatles perform in Cleveland: On September 15, 1964, The Beatles performed at the Cleveland Public Auditorium in Cleveland, Ohio, as part of their first North American tour. source: beatlesbible.com
- 1966 Johnson calls for gun control after University of Texas shooting: Following the tragic shooting at the University of Texas, President Lyndon B. Johnson called for stricter gun control measures. This incident marked a significant moment in the national conversation about gun legislation in the United States. source: nytimes.com
- 1967 Ilse Koch, Nazi War Criminal, Dies by Suicide: Ilse Koch, known as the "Witch of Buchenwald," was a German Nazi concentration camp supervisor notorious for her cruelty. She died by suicide on September 15, 1967, while serving a life sentence for war crimes. source: history.com
- 1970 Palestinian forces reinforce guerrillas in Jordan: On September 15, 1970, Palestinian forces provided additional support and reinforcements to guerrilla fighters operating within Jordanian territory, intensifying the ongoing conflict between Palestinian militants and Jordanian authorities. source: en.wikipedia.org
- 1971 Greenpeace's first protest voyage against nuclear testing: On September 15, 1971, Greenpeace embarked on its first protest voyage against nuclear testing in the Pacific. The mission aimed to draw attention to the environmental and humanitarian impacts of nuclear weapons testing. source: theguardian.com
- 1972 Watergate burglars indicted: On September 15, 1972, a grand jury indicted five individuals involved in the Watergate break-in, as well as E. Howard Hunt and G. Gordon Liddy, on charges of conspiracy, burglary, and violation of federal wiretapping laws. source: en.wikipedia.org
- 1975 Mike Vail's rookie hitting streak record: On September 15, 1975, Mike Vail set a Major League Baseball record for a rookie by hitting in 23 consecutive games. This achievement highlighted his impressive debut season with the New York Mets. source: nytimes.com
- 1976 Northeastern Italy earthquake: On September 15, 1976, a devastating earthquake struck northeastern Italy, causing significant destruction and loss of life. The event prompted a national response to aid the affected regions. source: bbc.com
- 1977 'CHiPs' television series debut: The American television series 'CHiPs' premiered on September 15, 1977, focusing on the lives of two California Highway Patrol officers in Los Angeles. source: imdb.com
- 1978 Yankees defeat Red Sox: On September 15, 1978, the New York Yankees defeated the Boston Red Sox 4-0 at Yankee Stadium. The Yankees' pitcher, Ron Guidry, delivered a two-hit shutout, while the Yankees' offense capitalized on a four-run fourth inning to secure the victory. source: baseball-reference.com
- 1979 Bob Watson hits for the cycle with the Boston Red Sox: On September 15, 1979, Bob Watson of the Boston Red Sox hit for the cycle in a 10–2 victory over the Baltimore Orioles, becoming the first player to achieve this feat in both the National and American Leagues. source: mlb.com
- 1980 Paul McCartney releases 'Temporary Secretary' single: On September 15, 1980, Paul McCartney released 'Temporary Secretary' as the third single from his album 'McCartney II'. The track, characterized by its experimental synthesizer-driven sound, was issued exclusively as a 12-inch single in the UK, limited to 25,000 copies, and did not chart. Despite initial negative reception, it has since gained a cult following among fans. source: paulmccartney.com
- 1981 Senate Judiciary Committee unanimously approves Sandra Day O'Connor for Supreme Court seat: On September 15, 1981, the Senate Judiciary Committee unanimously approved Sandra Day O'Connor's nomination to the Supreme Court, making her the first woman nominated for the position. The full Senate confirmed her nomination on September 21, 1981, by a vote of 99-0. source: archives.gov
- 1982 Israeli forces enter West Beirut following assassination of President-elect Bashir Gemayel: On September 15, 1982, Israeli troops and tanks advanced into West Beirut, aiming to prevent potential unrest after the assassination of President-elect Bashir Gemayel. The operation encountered minimal resistance from Lebanese leftist militias and Palestinian guerrillas who had remained in the city after the Palestine Liberation Organization's evacuation. The Israeli forces' entry into West Beirut marked a significant escalation in the 1982 Lebanon War. source: washingtonpost.com
- 1983 Menachem Begin resigns as Israeli Prime Minister: Menachem Begin, the sixth Prime Minister of Israel, announced his resignation on September 15, 1983, after a prolonged period of political turmoil and personal health issues. His resignation marked the end of a significant era in Israeli politics, as he was a key figure in the Likud party and had led the country through critical events, including the 1982 Lebanon War. His departure led to a shift in leadership and policy direction within the Israeli government. source: britannica.com
- 1984 Prince Harry born in London: Prince Henry Charles Albert David, known as Prince Harry, was born on September 15, 1984, at St. Mary's Hospital in London, England. He is the second son of Charles, Prince of Wales, and Diana, Princess of Wales. source: en.wikipedia.org
- 1985 Olof Palme's Social Democrats win 1985 Swedish general election: In the 1985 Swedish general election held on September 15, Prime Minister Olof Palme's Social Democratic Party secured 159 of the 349 seats in the Riksdag, maintaining their position as the largest party. Despite a narrow victory, Palme formed a minority government with support from the Left Party Communists. The Social Democrats received 44.68% of the vote, while the opposition parties garnered 55.32%. source: csmonitor.com
- 1986 L.A. Law television series premiere: L.A. Law, an American legal drama series, premiered on NBC on September 15, 1986. The show ran for eight seasons, concluding on May 19, 1994. source: en.wikipedia.org
- 1987 US-Soviet Nuclear Risk Reduction Treaty signed: On September 15, 1987, the United States and the Soviet Union signed the Nuclear Risk Reduction Treaty in Washington, D.C. This treaty aimed to reduce the risk of nuclear war by establishing communication channels and protocols to prevent misunderstandings during crises. It was a significant step in arms control during the Cold War era. source: state.gov
- 1989 U.S. Congress acknowledges Terry Anderson's Beirut captivity: On September 15, 1989, the U.S. Congress officially acknowledged the captivity of journalist Terry Anderson, who had been held hostage in Beirut for over six years. This recognition highlighted the plight of hostages in Lebanon during the civil war. source: washingtonpost.com
- 1990 France deploys 4,000 troops to Persian Gulf in response to Iraqi aggression: On September 15, 1990, French President François Mitterrand ordered the deployment of 4,000 additional troops to the Persian Gulf and the expulsion of Iraqi diplomats. This decision was a direct response to Iraqi forces entering the French ambassador's residence in Kuwait, an act Mitterrand termed 'a new aggression.' The French military presence aimed to bolster regional security and support the U.S.-led multinational force in the Gulf. source: upi.com
- 1991 Swedish parliamentary election: The Swedish parliamentary election was held on September 15, 1991, resulting in a shift in power from the Social Democrats to a center-right coalition. This election marked a significant change in Swedish politics. source: reuters.com
- 1992 Posthumous congressional election victory: On September 15, 1992, a posthumous election victory was recorded in the United States Congress. This unusual event highlighted the complexities of electoral processes and the impact of candidates' legacies. source: washingtonpost.com
- 1993 Assassination of anti-mafia priest Giuseppe Puglisi: On September 15, 1993, Father Giuseppe "Pino" Puglisi, a parish priest in Palermo, Italy, was assassinated outside his home on his 56th birthday. Known for his outspoken opposition to the Mafia, Puglisi's murder was ordered by Mafia bosses Filippo and Giuseppe Graviano. In 2012, Pope Benedict XVI officially recognized Puglisi as a martyr, killed by hatred of the faith. source: ncregister.com
- 1994 Disney abandons historical theme park project: On September 28, 1994, Disney announced the cancellation of its planned history-themed park, Disney's America, in Haymarket, Virginia. The project faced opposition from historians and local residents, leading to its abandonment. source: en.wikipedia.org
- 1995 Hurricane Marilyn devastates Caribbean: Hurricane Marilyn, a Category 3 storm, caused widespread destruction in the Caribbean, particularly affecting the U.S. Virgin Islands and Puerto Rico.
- 1996 Operation PACIFIC HAVEN: Kurdish refugee evacuation: On September 15, 1996, Operation PACIFIC HAVEN commenced, evacuating Kurdish refugees from Northern Iraq to Guam. This operation was a response to the humanitarian crisis following the Gulf War and aimed to provide safety for those fleeing persecution. source: defense.gov
- 1997 Oprah Winfrey extends talk show contract: On September 15, 1997, Oprah Winfrey announced the extension of her contract for 'The Oprah Winfrey Show.' The new agreement ensured the show's continued success and Winfrey's presence in daytime television for several more years. source: nytimes.com
- 1998 WorldCom and MCI Communications merger: On September 15, 1998, WorldCom announced its merger with MCI Communications, creating one of the largest telecommunications companies in the world. This merger was significant in the telecom industry, reshaping the competitive landscape and leading to further consolidation in the sector. The deal was valued at approximately $37 billion. source: wsj.com
- 1999 Walt Disney World closes due to Hurricane Floyd: Walt Disney World in Florida closed its doors on September 15, 1999, in anticipation of Hurricane Floyd. The closure was part of safety measures taken as the hurricane approached the state, affecting many residents and businesses. source: weather.gov
- 2000 2000 Sydney Olympic Games: The 2000 Sydney Olympic Games officially opened on September 15, 2000, showcasing athletes from around the world. The event was celebrated for its organization and spirit, marking a significant moment in Olympic history. source: bbc.com
- 2001 President Bush declares war on terror: On September 15, 2001, President George W. Bush declared a 'war on terror' in response to the September 11 attacks. This declaration set the stage for U.S. military actions in Afghanistan and a broader anti-terrorism campaign. source: whitehouse.gov
- 2002 US Music Chart Topper: On September 15, 2002, "Dilemma" by Nelly featuring Kelly Rowland topped the Billboard Hot 100 chart in the United States. source: billboard.com
- 2003 Barry Bonds Breaks Babe Ruth's Walk Record: Baseball legend Barry Bonds surpasses Babe Ruth's all-time walks record, becoming the second-most walked player in MLB history with 2,063 career walks.
- 2004 U.S. criticizes Saudi Arabia's religious freedom: On September 15, 2004, the U.S. State Department criticized Saudi Arabia for its lack of religious freedom. This statement was part of a broader discussion on human rights in the region. source: state.gov
- 2005 Israeli Supreme Court orders reconsideration of West Bank barrier route: On September 15, 2005, Israel's Supreme Court ruled that the government must reconsider the route of a section of the West Bank barrier near the settlement of Alfei Menashe. The court found that the existing path infringed upon the rights of Palestinian villagers by isolating them from the rest of the West Bank, and ordered the government to explore alternative routes to mitigate these effects. source: aljazeera.com
- 2006 E. coli spinach outbreak: In September 2006, a multistate outbreak of E. coli O157:H7 infections was linked to fresh spinach, resulting in 199 reported cases across 26 states, with 102 hospitalizations and 3 deaths. The outbreak was traced to spinach grown in California's Monterey, San Benito, and Santa Clara counties. source: cdc.gov
- 2007 Northwest Passage Opens: On September 15, 2007, satellite imagery revealed that the Northwest Passage, a sea route through the Arctic Ocean, was largely ice-free, marking a significant reduction in Arctic sea ice. This event was unprecedented, as the passage had been historically impassable due to thick ice cover. The opening of the Northwest Passage was attributed to significant melting of Arctic sea ice during the summer of 2007. source: earthobservatory.nasa.gov
- 2008 Lehman Brothers bankruptcy triggers 2008 financial crisis: On September 15, 2008, Lehman Brothers filed for bankruptcy, marking the largest bankruptcy filing in U.S. history. This event is widely considered a pivotal moment in the global financial crisis, leading to severe economic repercussions worldwide. source: nytimes.com
- 2009 Bernanke signals end of economic recession: On September 15, 2009, Federal Reserve Chairman Ben Bernanke indicated that the economic recession was likely coming to an end. His remarks were seen as a positive sign for the US economy and financial markets. source: reuters.com
- 2010 US drone strikes in Pakistan: The United States conducted drone strikes in Pakistan's tribal areas, targeting militant groups. These operations were part of ongoing counterterrorism efforts in the region. source: reuters.com
- 2011 UNICEF and WHO report decline in child mortality rates: UNICEF and the World Health Organization (WHO) announced that the number of children under five years old dying each year decreased from over 12 million in 1990 to 7.6 million in 2010, indicating a significant reduction in child mortality rates. source: unipsil.unmissions.org
- 2012 Syrian Civil War developments: On September 15, 2012, the Syrian Civil War saw significant developments, including intensified fighting between government forces and opposition groups. The conflict led to numerous casualties and further displacement of civilians, contributing to the ongoing humanitarian crisis in the region. source: aljazeera.com
- 2013 Japan Shuts Down Last Nuclear Reactor: On September 15, 2013, Japan's last operational nuclear reactor was shut down, marking the end of the country's nuclear energy program. The shutdown was a result of public opposition and safety concerns following the 2011 Fukushima disaster. Japan began seeking alternative energy sources to meet its power needs. source: bbc.com
- 2014 Migrant ship sinking off Malta's coast: A migrant ship sank off the coast of Malta, resulting in the deaths of at least 500 people. The incident underscored the dangers faced by migrants attempting to cross the Mediterranean Sea. source: bbc.com
- 2015 Hungary declares emergency during migration crisis: On September 15, 2015, Hungary declared a state of emergency due to the influx of migrants crossing its borders. This decision was made in response to the escalating migration crisis affecting Europe, particularly in the Balkans. source: bbc.com
- 2016 EU extends sanctions on Crimea annexation: On September 15, 2016, the European Union extended its sanctions against Russia in response to the annexation of Crimea. The sanctions included asset freezes and travel bans on individuals and entities involved in the annexation, reflecting ongoing tensions between the EU and Russia. source: reuters.com
- 2018 Hurricane Florence impacts North Carolina: Hurricane Florence made landfall in North Carolina, causing widespread flooding and damage across the state. Emergency services were deployed to assist residents affected by the storm's severe weather conditions. source: cnn.com
- 2019 Drone attacks on Saudi Aramco oil facilities: Multiple drone attacks targeted Saudi Aramco's oil facilities, leading to significant fires and a temporary halt in oil production. source: reuters.com
- 2020 Pennsylvania Coronavirus Restrictions Struck Down: U.S. District Judge William Stickman IV ruled against Pennsylvania Governor Tom Wolf's COVID-19 pandemic restrictions, declaring them unconstitutional. The judicial decision challenged the state's emergency powers and pandemic response measures.
- 2021 AUKUS Security Alliance Formed: U.S. President Joe Biden, U.K. Prime Minister Boris Johnson, and Australian Prime Minister Scott Morrison announced the formation of a strategic security alliance called AUKUS. The partnership aims to counter China's growing geopolitical and military influence in the Indo-Pacific region. A key component of the alliance is Australia's planned acquisition of nuclear-powered submarines, marking a significant shift in regional defense dynamics.
- 2022 Ukrainian Kharkiv Counteroffensive and Mass Grave Discovery: During the ongoing Russo-Ukrainian War, Ukrainian forces successfully launched a significant counteroffensive in the Kharkiv region, reclaiming territories previously occupied by Russian forces. In a grim discovery, a mass grave containing over 440 bodies was found in the recently liberated city of Izium, highlighting the human cost of the conflict.
- 2023 Hunter Biden Indicted on Federal Gun Charges: In a significant legal development, Hunter Biden, the son of President Joe Biden, was indicted by a Delaware grand jury on federal gun-related charges. The indictment stems from allegations that he illegally possessed a firearm while being a known drug user in 2018 and provided false information on the federal firearms purchase form. The case, initially part of a potential plea agreement that collapsed, was pursued by special counsel David Weiss, who subsequently brought the matter before a grand jury. Beyond the current gun charges, Biden may also face potential separate tax-related legal proceedings.
What Is special about September 15?
September 15 is notable for a variety of important historical, cultural, and significant events, including famous birthdays and deaths, holidays and more. Find out everything about September 15.