Japan formally surrendered, officially bringing an end to the six years of World War II.
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Google launched Google Chrome, its own cross-platform web browser.
The largest known solar storm occurred, causing electrical problems to telegraph services.
The Wars of Castro ended when Pope Innocent X and his forces destroyed the Italian city of Castro.
Peggy Whitson set a NASA record for spending the most cumulative days living and working in space at 665 days.
Queen Cleopatra VII of Egypt named her son Ptolemy XV Caesar a co-ruler of Egypt.