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This Day In History: February 23Rd

Learn about some major historical events that occurred on February 23rd. On this date, the U.S. flag was raised at Iwo Jima on Mt. Suribachi, the Alamo siege began, Jonas Salk discovered the polio vaccine, and a sheep named Dolly was cloned at the Roslin Institute. Joe Rosenthal won a Pulitzer prize in Photography for his picture of the flag raising at Iwo Jima.


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