Events in History
- May 2 General Motors acquires the Chevrolet Motor Company of Delaware.
- May 10 HMS Vindictive sunk to block entrance of Ostend Harbor
- May 13 1st US airmail stamps issued (24 cents)
- May 15 1st regular US airmail postal service between NY, Philadelphia & Washington, D.C.
- May 15 Greeks troops land at Smyrna
- May 15 The Finnish Civil War ends
- May 16 The Sedition Act of 1918 is passed by the U.S. Congress, making criticism of the government an imprisonable offense.
- May 18 Dutch Indian Volksraad installed in Batavia
- May 18 TNT explosion in chemical factory in Oakdale, Pennsylvania, kills 200
- May 19 Wash 1st Sunday game, Senators beat Cleveland 1-0 in 18 innings
- May 20 1st electrically propelled warship (New Mexico)
- May 21 US House of Representatives passes amendment allowing women to vote
- May 23 King Oil/Shell refinery on Curacao officially opens
- May 24 British officer General Poole lands at Murmansk, the Russian port on the Barents Sea
- May 26 Armenia defeats the Ottoman Army in the Battle of Sardarapat
- May 26 Georgian Social Democratic Republic declares independence from Russia
- May 27 Third Battle of Aisne: German offensive overcomes British forces (WWI)
- May 28 Azerbaijan gains independence and declares itself a Democratic Republic
- May 28 The Armenian National Council declares Armenia independent from the Russian Empire
Birthdays in History
- May 1 Gersh Budker, Russian physicist (d. 1977)
- May 2 Frederick Archibald Warner, British diplomat, born in Blagdon, England (d. 1995)
- May 4 Kakuei Tanaka, Japanese Prime Minister (1972-74), convicted of bribe-taking, born in Kariwa, Japan (d. 1993)
- May 4 Thomas Mead, Australian politician and journalist, born in Randwick, Australia (d. 2004)
Zayed bin Sultan Al Nahyan (1918-2004)
May 6 1st President of the United Arab Emirates, born in Al Ain, Abu Dhabi, birth date disputed
- May 9 Orville Freeman, American politician (Governor of Minnesota 1955-61, US Secretary of Agriculture 1961-69), born in Minneapolis, Minnesota (d. 2003)
- May 10 George Welch, American World War II flying ace (Medal of Honor nominee) and test pilot, born in Wawaset Park, Delaware (d. 1954)
- May 11 Richard Feynman, American theoretical physicist, born in Queens, New York (d. 1988)
Julius Rosenberg (1918-1953)
May 12 1st American civilian executed for espionage after he and his wife were convicted of passing secret radar, jet and nuclear information to the Soviet Union, born in NYC, New York
- May 13 John Baines Johnston, British diplomat (British High Commissioner to Rhodesia just before independence, High Commissioner of Malaysia), born in Maryport, England (d. 2005)
- May 16 Edward Thomas, historian/intelligence expert
- May 16 Juan Rulfo, Mexican writer (Pedro Paramo)
- May 16 Kevin Skelton, Bishop (Lichfield)
- May 19 Abraham Pais, Dutch-born American physicist (d. 2000)
- May 20 Edward B. Lewis, American geneticist, Nobel laureate (d. 2004)
- May 21 Leonard Mullens, British rubber physicist (Mullins effect) (d. 1997)
- May 22 David Land, impresario and theatre producer, born in London (d. 1995)
- May 24 Coleman Young, 1st African American Mayor of Detroit, born in Tuscaloosa, Alabama (d. 1997)
- May 27 Yasuhiro Nakasone, Japanese politician (Prime Minister of Japan 1982-87), born in Takasaki, Japan (d. 2019)
- May 30 Bob Evans, American restaurateur (d. 2007)
- May 30 Guadalupe "Pita" Amor, Mexican poet (d. 2000)
Deaths in History
- May 1 Grove Karl Gilbert, American geologist (investigated Lake Bonneville, Utah), dies at 74
- May 3 Charlie Soong, Chinese Methodist missionary and key player in the Xinhai Revolution of 1911, dies at 55
- May 9 George Coşbuc, Romanian poet, dies at 51
- May 12 Abel Hoadley, Australian confectioner (Violet Crumble), dies at 73
- May 14 James Gordon Bennett Jr., American newspaper publisher (thought to have inspired the phrase "Gordon Bennett"), dies at 77
- May 16 Eusapia Palladino, Italian spiritual medium, dies at 64
- May 19 Gervais Raoul Lufbery, French-American World War I fighter pilot and flying ace, dies at 33
- May 27 Henry Adams, American historian and writer (Education of Henry Adams), dies at 80
- May 30 Georgy Valentinovich Plekhanov, Russian revolutionary theorist, dies at 61
- May 31 Alexander Mitscherlich, German chemist and son of Eilhard Mitscherlich, dies at 82