November 1 in history — On This Day

1952

Ivy Mike Detonates and Opens the Thermonuclear Age

On November 1, 1952, the United States detonated Ivy Mike on Enewetak Atoll, the first full-scale test of a hydrogen bomb design. The blast released about 10.4 megatons and erased the small island of Elugelab.

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The Story Behind the Photo

Chicago After the Fire: From Burned Blocks to a New Skyline

A photograph taken after the 1871 fire can make Chicago look as though its future had been decided by a wall of flame. A view from around 1905 tells a different story: tall offices, busy transport routes and commercial streets crowded again.

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