Major Events of July 1920: Key Historical Moments from the Month

Each month is marked by defining moments that shape the course of history. Whether through political shifts, cultural movements, or world-changing events, these periods leave a lasting impression. Dive into the most important events from July 1920 and discover how they influenced the world both then and now.

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Major Events of July 1920: Key Historical Moments from the Month


  • 01 Jul 1920 Walter Johnson pitches no-hitter against Boston Red Sox: On July 1, 1920, Walter Johnson of the Washington Senators pitched a no-hitter against the Boston Red Sox at Fenway Park, winning 1-0. This was the only no-hitter of Johnson's illustrious career. source: baseballhall.org
  • 02 Jul 1920 Tukhachevsky's proclamation in Russo-Polish War: On July 2, 1920, during the Russo-Polish War, Soviet General Mikhail Tukhachevsky issued an order proclaiming that "the fate of the general revolution will be decided in the west" and that "the road to world conflagration leads over Poland’s corpse." source: britannica.com
  • 06 Jul 1920 Democratic National Convention nominates James M. Cox for president: On July 6, 1920, the Democratic National Convention concluded in San Francisco, nominating Ohio Governor James M. Cox for president and Assistant Secretary of the Navy Franklin D. Roosevelt for vice president. This marked the first time a major party held its nominating convention on the West Coast. source: en.wikipedia.org
  • 07 Jul 1920 Arthur Meighen becomes Canadian Prime Minister: On July 7, 1920, Arthur Meighen was appointed as the 9th Prime Minister of Canada, succeeding Sir Robert Borden. Meighen's tenure was marked by his leadership during a period of post-war reconstruction and economic challenges.
  • 10 Jul 1920 Arthur Meighen becomes Prime Minister of Canada: On July 10, 1920, Arthur Meighen succeeded Sir Robert Borden as Canada's ninth Prime Minister, following Borden's retirement. Meighen led the Conservative Party and served as Prime Minister until December 29, 1921. source: britannica.com
  • 15 Jul 1920 Establishment of Silesian Voivodeship: On July 15, 1920, the Polish Parliament enacted a constitutional act granting autonomy to the Silesian Voivodeship, a region in Upper Silesia. This legislation established the Silesian Sejm (Parliament) and provided the voivodeship with its own legislative body and treasury, marking a significant step in Poland's post-World War I reconstruction. source: en.wikipedia.org
  • 16 Jul 1920 First US Army Chemical Warfare Chief Appointed: On July 16, 1920, General Amos Fries was appointed as the first Chief of the Chemical Warfare Service, a position he held until his retirement in 1929. source: en.wikipedia.org
  • 19 Jul 1920 1920 Summer Olympics Open in Antwerp: The 1920 Summer Olympics, officially known as the Games of the VII Olympiad, opened in Antwerp, Belgium, on July 19, 1920. The Games were awarded to Antwerp to honor the Belgian people for their suffering during World War I. The opening ceremony introduced the Olympic flag and featured the release of doves as a symbol of peace. source: britannica.com
  • 20 Jul 1920 French Ultimatum in Syria: On July 20, 1920, France issued an ultimatum to the Kingdom of Syria, demanding that Syrian forces withdraw from the region of the Golan Heights. This ultimatum was part of France's efforts to establish its mandate over Syria following the collapse of the Ottoman Empire. source: en.wikipedia.org
  • 21 Jul 1920 Belfast Pogrom of 1920: The Belfast Pogrom of 1920 was a series of violent attacks against the Catholic and nationalist communities in Belfast, Northern Ireland, beginning on July 21, 1920. The violence resulted in numerous deaths and injuries and was part of a broader period of sectarian conflict in Ireland during the early 20th century. source: en.wikipedia.org
  • 22 Jul 1920 Warren G. Harding's Foreign Policy Speech: On July 22, 1920, Warren G. Harding, the Republican presidential candidate, delivered a speech outlining his foreign policy views. Harding advocated for a return to normalcy and opposed the United States' involvement in international organizations like the League of Nations. source: en.wikipedia.org
  • 23 Jul 1920 Battle of Maysalun: On July 23, 1920, French forces defeated the Syrian Arab Army at the Battle of Maysalun, solidifying France's control over Syria. The battle was a significant event in the establishment of the French Mandate in Syria. source: en.wikipedia.org
  • 24 Jul 1920 Soviet Army captures Lemberg: On July 24, 1920, during the Polish–Soviet War, the Soviet Army captured Lemberg (now Lviv, Ukraine), a significant city in the region. source: en.wikipedia.org
  • 25 Jul 1920 French capture of Damascus: On July 25, 1920, French forces captured Damascus, marking the end of the Arab Kingdom of Syria and the establishment of the French Mandate. source: en.wikipedia.org
  • 27 Jul 1920 America's Cup: Resolute Defeats Shamrock IV: On July 27, 1920, the American yacht Resolute won the fifth and final race of the America's Cup series against the British challenger Shamrock IV, retaining the Cup for the United States. source: americascup.com
  • 30 Jul 1920 1st World Scout Jamboree in London: The first World Scout Jamboree was held in London from July 30 to August 6, 1920, marking a significant event in the Scouting movement. source: thisdayinusmilhist.wordpress.com
  • 31 Jul 1920 Denmark Reclaims Northern Schleswig from Germany: On July 31, 1920, Denmark officially reclaimed Northern Schleswig from Germany, following a plebiscite where the majority voted to join Denmark. This reunification was celebrated as a symbol of Danish nationalism. source: en.wikipedia.org