Major Events of May 1918: 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 May 1918 and discover how they influenced the world both then and now.

Major Events of May 1918: Key Historical Moments from the Month
- 01 May 1918 Battle of Lahti concludes in Finnish Civil War: The Battle of Lahti, a significant conflict in the Finnish Civil War, concluded on May 1, 1918. This battle was pivotal in determining the outcome of the civil war, with the White forces gaining a crucial victory. source: britannica.com
- 02 May 1918 Sinking of German submarine SM UB-31: On May 2, 1918, the German submarine SM UB-31 was sunk, marking a significant event in naval warfare during World War I. This loss contributed to the ongoing struggles faced by the German navy in the conflict. source: britannica.com
- 03 May 1918 William Orpen's War Exhibition opens in London: On May 3, 1918, British artist William Orpen's exhibition of 125 war paintings and drawings opened at Agnew's Gallery in London. The exhibition was a success, attracting 9,000 visitors over four weeks. Highlights included 'Highlander Passing a Grave' and 'Thinker on the Butte de Warlencourt'. Orpen donated the works to the British government, and they are now housed at the Imperial War Museum. source: en.wikipedia.org
- 05 May 1918 Battle of Ahvenkoski: Final Surrender of Finnish Red Guards: On May 5, 1918, the remaining Finnish Red Guards, numbering 800–900, formally surrendered to the German-backed White forces at Ahvenkoski, marking the end of the Finnish Civil War. source: en.wikipedia.org
- 06 May 1918 Don Cossacks capture Rostov-on-Don: In early May 1918, Don Cossack forces, supported by the German advance, captured Rostov-on-Don from Bolshevik control, marking a significant shift in the Russian Civil War. source: warhistory.org
- 07 May 1918 Asquith challenges British War Cabinet troop strength claims: On May 7, 1918, former British Prime Minister Herbert Asquith publicly questioned the British War Cabinet's claims regarding the strength of British troops during World War I. source: gutenberg.org
- 08 May 1918 German submarine SM U-32 sunk in Mediterranean: On May 8, 1918, the German submarine SM U-32 was sunk in the Mediterranean Sea during World War I. source: gutenberg.org
- 09 May 1918 Asquith challenges Lloyd George over troop strength allegations: On May 9, 1918, former British Prime Minister Herbert Asquith publicly challenged Prime Minister David Lloyd George over allegations regarding the strength of British troops during World War I. source: gutenberg.org
- 10 May 1918 HMS Vindictive blocks Ostend harbor: On May 10, 1918, the British Royal Navy's HMS Vindictive successfully blocked Ostend harbor, disrupting German naval operations during World War I. source: gutenberg.org
- 11 May 1918 End of the Finnish Civil War: The Finnish Civil War concluded on May 11, 1918, with the victory of the White Guard over the Red Guard. The end of the conflict led to the establishment of the Finnish Republic and had lasting impacts on the nation's political landscape. source: en.wikipedia.org
- 12 May 1918 Birth of Julius Rosenberg: Julius Rosenberg, an American engineer and Soviet spy, was born on May 12, 1918. He was convicted of espionage in 1951 and executed in 1953, a case that remains controversial regarding the extent of his involvement. source: en.wikipedia.org
- 13 May 1918 First US Airmail Stamps Issued: On May 13, 1918, the United States issued its first airmail stamps, marking the beginning of official airmail service. This development facilitated faster mail delivery across the country and was a significant advancement in postal services. source: en.wikipedia.org
- 14 May 1918 HMS Phoenix torpedoed and sunk in Adriatic Sea: On May 14, 1918, the British destroyer HMS Phoenix was torpedoed by the Austro-Hungarian submarine SM U-27 in the Adriatic Sea. Despite attempts to tow her to safety, she sank, with all crew members rescued. source: en.wikipedia.org
- 15 May 1918 Eddy Arnold Birth: Country music singer Eddy Arnold, famous for hits like 'Cattle Call' and 'Anytime', was born in Henderson, Tennessee.
- 17 May 1918 German submarine SM UC-35 sunk: The German submarine SM UC-35 was sunk on May 17, 1918, by the British warship HMS Pigeon. This event occurred during World War I, highlighting the ongoing naval conflicts. source: naval-history.net
- 18 May 1918 Pope John Paul II born: Pope John Paul II was born on May 18, 1920, in Poland. He became one of the most influential popes in modern history, known for his role in the fall of communism in Eastern Europe. source: britannica.com
- 20 May 1918 Codell, Kansas: Tornado's Remarkable Recurrence: On May 20, 1918, Codell, Kansas, was struck by an F4 tornado, causing significant destruction to the town. This was the third consecutive year a tornado hit Codell on May 20, leading residents to refer to the date as "Cyclone Day." Despite the devastation, no fatalities were reported. source: kansashistory.gov
- 21 May 1918 Women's Suffrage Amendment Passes House of Representatives: On May 21, 1918, the U.S. House of Representatives passed the 19th Amendment, granting women the right to vote. This landmark legislation marked a significant victory in the women's suffrage movement, culminating years of activism and advocacy. source: en.wikipedia.org
- 22 May 1918 World War I: A Quiet Day in Global Conflict: On May 22, 1918, World War I experienced a relatively quiet day, with no major battles or significant events reported. This brief period of calm provided a temporary respite for the nations involved in the ongoing global conflict. source: en.wikipedia.org
- 23 May 1918 The Zeebrugge Raid: British Naval Operation Against German U-boats: On May 23, 1918, the British Royal Navy conducted the Zeebrugge Raid, a daring operation aimed at blocking the Belgian port of Zeebrugge to prevent German U-boats from accessing the English Channel. The operation involved sinking ships in the harbor and was considered a significant, though costly, success. source: en.wikipedia.org
- 24 May 1918 Cleveland Defeats New York Yankees in Marathon Baseball Game: On May 24, 1918, the Cleveland Indians defeated the New York Yankees in a marathon baseball game. The game was notable for its extended duration and the resilience displayed by both teams, reflecting the competitive spirit of early 20th-century baseball. source: en.wikipedia.org
- 25 May 1918 German U-boats infiltrate U.S. waters during World War I: In May 1918, German U-boat U-151 became the first foreign enemy naval vessel to enter U.S. waters since the War of 1812, sinking 10 vessels off North Carolina's coast by the end of World War I. source: monitor.noaa.gov
- 28 May 1918 Battle of Cantigny: First U.S. Division Repels German Counterattacks: On May 28, 1918, the U.S. 1st Division launched its first major offensive of World War I by capturing the village of Cantigny in France. Despite heavy German counterattacks, American forces held the position, marking a significant victory. source: abmc.gov
- 30 May 1918 Formation of Soviet Republic in Kuban and Black Sea Region: On May 30, 1918, the Kuban Soviet Republic and the Black Sea Soviet Republic merged to form the Kuban-Black Sea Soviet Republic, a short-lived entity within the Russian SFSR. Its capital was Yekaterinodar, now known as Krasnodar. source: en.wikipedia.org