CHRONOLOGY
1939
Dated events from the historical database.
1939-01-01 — Hewlett-Packard Founded1939-03-15 — Occupation of the Czech Lands1939-03-15 — Declaration of Independence of Carpatho-Ukraine1939-03-31 — British and French Guarantees to Poland1939-04-07 — Italian Invasion of Albania1939-04-30 — RCA Demonstrates Electronic Television to the Public at the New York World's Fair1939-05-11 — Beginning of the Battles of Khalkhin Gol1939-05-12 — First Funding for the Harvard Mark I1939-05-13 — The MS St. Louis Sails from Hamburg1939-06-28 — First Regular Transatlantic Passenger Flight by Pan American1939-08-23 — Molotov–Ribbentrop Pact1939-08-27 — First Flight of the Jet-Powered Heinkel He 1781939-09-01 — German Invasion of Poland1939-09-01 — First Full-Scale Polyethylene Plant Begins Operation1939-09-03 — Britain and France Declare War1939-09-14 — First Flight of the Sikorsky VS-300 Helicopter1939-09-17 — Soviet Invasion of Poland1939-09-28 — Surrender of Warsaw1939-11-30 — Winter War1939-12-12 — World's First Industrial Nylon Plant Begins Operation1939-12-13 — Battle of the River Plate