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22 July 1916
West side of Steuart Street just south of Market Street, United States
At 2:06 p.m. on 22 July 1916, a suitcase bomb exploded beside San Francisco's enormous Preparedness Day parade, killing ten people and wounding about forty. Labor activists …
17 October 1989
Cypress Street Viaduct collapse zone and memorial park, United States
When the magnitude 6.9 Loma Prieta earthquake struck on 17 October 1989, a 0.7-mile section of Oakland's double-deck Cypress Street Viaduct collapsed. The upper roadway fell onto …
19–23 October 1991
Fire origin slope above 7151 Buckingham Boulevard, United States
A brush fire above Buckingham Boulevard was controlled on 19 October 1991, then escaped again the next morning under hot, dry Diablo winds. Flames and wind-borne embers …
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