The Baseball Hall of Fame opens in Cooperstown, New York. The Baseball Hall of Fame, officially known as the National Baseball Hall of Fame and…
Tag: 1939
2 December 1939
New York City’s LaGuardia Airport opens. LaGuardia Airport is one of the major airports serving the New York City area. It is located in the…
1 September 1939
J. Robert Oppenheimer and his student Hartland Snyder publish the Oppenheimer–Snyder model, proving for the first time in contemporary physics how black holes could develop….
24 June 1939
Siam is renamed Thailand by Plaek Phibunsongkhram, the country’s third prime minister. The country we now know as Thailand was historically known as Siam until…
12 December 1939
HMS Duchess sinks after a collision with HMS Barham off the coast of Scotland with the loss of 124 men
10 September 1939
World War II: The Canadian declaration of war on Germany receives royal assent.