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On this day

October 21

Cities around the world keep their histories on dates. Here is what happened on October 21 across the 3 editorial events Pyflo has so far catalogued for this date.

3 events 3 centuries 3 countries
1868

October 21, 1868 Hayward Earthquake

Hayward United States

The Hayward Fault is the main active strike-slip fault running 119 km along the eastern San Francisco Bay shore from San Pablo Bay (Hercules + Richmond) through Berkeley + Oakland + San Leandro + Hayward + Fremont + San Jose to Calaveras Reservoir.

1941

The Kragujevac Massacre of October 21, 1941

Kragujevac Serbia

a Wehrmacht-conducted mass killing of approximately 2,800 Serbian civilians and Yugoslav Royal Army POWs at Kragujevac — was the single deadliest day of the German WWII occupation of Yugoslavia and one of the main Wehrmacht atrocities of the European war.

Drawn from the Pyflo Atlas — an interactive timeline of 1,601 editorial events reaching back to 2100 BCE, each pin a deep link into a city's full story. Watch history play out on the map →