July 4 - The Soviet submarine K-19 reactor leak occurs in the North Atlantic.

July 5 - The first Israeli rocket, Shavit 2, is launched.

July 8 - A mine explosion in Czechoslovakia leaves 108 dead.

July 12 - A Czechoslovakian Ilyushin Il-18 crashes while attempting to land at Casablanca, Morocco, killing all 72 persons on board.

July 21 - Mercury program: Gus Grissom, piloting the Mercury-Redstone 4 capsule Liberty Bell 7, becomes the second American to go into space (sub-orbital). Upon splashdown, the hatch prematurely opens, and the capsule sinks (it is recovered in 1999).

July 25 - U.S. President John F. Kennedy gives a widely watched TV speech on the Berlin crisis, warning "we will not be driven out of Berlin." Kennedy urges Americans to build fallout shelters, setting off a four-month debate on civil defense.

July 31 - At Fenway Park in Boston, Massachusetts, the first All-Star Game tie in major league baseball history occurs, when the game is stopped in the 9th inning due to rain (the only tie until 2002 in MLB All-Star Game history). - Ireland submits the first ever application to join the then European Economic Community. (source: Wikipedia)