On this date in 1986, the worst nuclear reactor accident occurred in Chernobyl in the Soviet Union. An explosion and fire sent radioactivity into the air. At least 31 Soviets died immediately, and many more persons died from radiation poisoning.
On April 25, 2015, persons began days of rioting and looting and injuring policemen in Baltimore. Beginning in the Mondawmin neighborhood of northwest Baltimore, residents threw bottles, rocks, and chunks of concrete at policemen. They set cars on fire, broke store windows, looted a CVS pharmacy then set fire to it, and destroyed a café in an Italian deli. A large fire burned in east Baltimore, destroying a partially-built project of Southern Baptist Church.
On this date in 1906, a major earthquake shook San Francisco, California and started huge fires. More than 3,000 persons died.