World War II Begins
Germany invades Poland, triggering declarations of war from France and the United Kingdom. This event is widely considered the start of World War II.
Discover 2 historical moments on September 1 — 2 events, 0 birthdays, and 0 notable deaths spanning centuries of human history.
Hero image inspired by: World War II
Germany invades Poland, triggering declarations of war from France and the United Kingdom. This event is widely considered the start of World War II.
Germany's invasion of Poland marked the beginning of World War II in Europe. This act of aggression triggered declarations of war by France and the United Kingdom.
No births recorded for September 1.
No deaths recorded for September 1.
September 1 is home to 2 recorded historical entries in our collection, including 2 notable events, 0 famous birthdays, and 0 deaths. This date has witnessed momentous occasions spanning from 1939 to the present day.
Among the most notable events on September 1: World War II Begins (1939), Germany invades Poland (1939). View all events →
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