Historical Events in April 1921

Event of interestEvent of Interest

Apr 2 Albert Einstein lectures in New York City on his new "Theory of Relativity"

Theoretical Physicist Albert Einstein
Theoretical Physicist
Albert Einstein
  • Apr 4 Stanley Cup: Ottawa Senators (NHL) beat Vancouver Millionaires (PCHA), 3 games to 2
  • Apr 7 Revolutionary leader, Sun Yat-sen is elected President of China at Canton, though China remains divided into north and south and subject to rivalries of warlords
  • Apr 11 Iowa imposed 1st state cigarette tax
  • Apr 11 KDKA broadcast 1st radio sporting event, a boxing match (Ray-Dundee)
  • Apr 11 Turkestan ASSR forms in Russian SFSR
  • Apr 11 First sports broadcast on the radio takes place.
  • Apr 11 The Emirate of Transjordan is created.
  • Apr 13 Foundation of the Spanish Communist Workers' Party.
  • Apr 14 NHL Championship: Ottawa Senators sweep Toronto St Patricks in 2 games
  • Apr 14 Prince Henry opens Rotterdam-Amsterdam-Bremen-Hamburg air route
  • Apr 15 Black Friday in Britain: leaders of transport and rail unions announce a decision not to call for strike action in support of the miners; the epithet 'black' derives from a widespread feeling that the decision amounted to a breach of solidarity and a betrayal of the miners
  • Apr 16 Liberal Freedom League forms in The Hague
  • Apr 18 Junior Achievement incorporated in Colorado Spring
  • Apr 18 Philip James Barry's "Punch for Judy" premieres in NYC
  • Apr 19 25th Boston Marathon won by Frank Zuna of NJ in 2:18:57.6
  • Apr 19 Funeral of last German Emperoress, Augusta Victoria
  • Apr 21 Ottawa Senators beat Vanc Millionaires 3 games to 2 for Stanley Cup [or 4/4]
  • Apr 23 Charles Paddock runs world record 100m (10.4 secs)
  • Apr 24 1st municipal elections for men & women in Belgium
  • Apr 24 Under Allies supervision, a plebiscite in the Tyrol favors merging with Germany; unhappy with the outcome, Allies give the area to Italy
  • Apr 27 Hadjememaar, [Corn de Gelder] elected in Amsterdam
  • Apr 30 American Professional Football Association reorganizes in Akron
  • Apr 30 Pope Benedict XV encyclical "On Dante"