John F. Kennedy By: Lauren and Rosalie F. Connecticut, Age 11 John F. Kennedy was born in Brookline, Massachusetts on May 29,1917. John F. Kennedy was the 35th president of the United States. He became president on January 20,1961. He went to Harvard University in 1936 and graduated in 1940. JFK joined the U.S Navy in the September of 1941. On November 22,1963, JFK got assassinated.