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November 1, 2025
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sep 1, 1939 - Britain and France declare war on Germany and WWII has officially begun

Description:

Britain and France declared war on Germany on September 1, 1939, after Germany invaded Poland. This marked the official start of World War II. The war would become a global conflict involving many countries over the next six years.

Added to timeline:

7 months ago
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Date:

sep 1, 1939
Now
~ 86 years ago