Norway Claims Queen Maud Land in Antarctica, January 14, 1939

Madison Square Garden Nazi rally: The largest ever pro-Nazi rally in United States history is convened in Madison Square Garden, New York City, with 20,000 members and sympathizers of the German American Bund present. Date: February 20, 1939 Read more on Wikipedia → 📅 Other events on February 20 📅 Events on this day in…

Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon. Date: August 2, 1939 Read more on Wikipedia → 📅 Other events on August 2 📅 Events on this day in 1939 📅 On This Day (Today) More events from 19391939-40…

Winter War: Finland holds off a Soviet attack in the Battle of Kelja. Date: December 27, 1939 Read more on Wikipedia → 📅 Other events on December 27 📅 Events on this day in 1939 📅 On This Day (Today) More events from 1939Slovakia Declares Independence Under German Pressure, March 14, 1939World War II: Battle…

World War II: Following the start of the invasion of Poland the previous day, the Free City of Danzig (now Gdańsk, Poland) is annexed by Nazi Germany. Date: September 2, 1939 Read more on Wikipedia → 📅 Other events on September 2 📅 Events on this day in 1939 📅 On This Day (Today) More…

Germany takes Memel from Lithuania. Date: March 22, 1939 Read more on Wikipedia → 📅 Other events on March 22 📅 Events on this day in 1939 📅 On This Day (Today) More events from 19391939-40 New York World’s Fair Opens April 30, 1939Battle of Hel Begins: Polish Resistance in WWII September 9, 1939Germany Occupies…

The Columbia Lions and the Princeton Tigers play in the United States' first televised sporting event, a collegiate baseball game in New York City. Date: May 17, 1939 Read more on Wikipedia → 📅 Other events on May 17 📅 Events on this day in 1939 📅 On This Day (Today) More events from 1939Germany…