August 12 in History

Wednesday 12, 1992:

Canada, Mexico and the United States announce completion of negotiations for the North American Free Trade Agreement.

Nuclear testing: The Soviet atomic bomb project proceeded with the detonation of Joe 4, the first Soviet thermonuclear weapon.

Prominent Jewish intellectuals were murdered in Moscow.

Isaac Singer granted a patent for his sewing machine

The First Crusade concluded with a decisive victory in the Battle of Ascalon over Fatimid forces under Al-Afdal Shahanshah.

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