On this day: July 31

Published: Jul 30 2012 11:36:16 PM EDT   Updated On: Jul 31 2013 02:00:00 AM EDT
Apollo 15 Lunar Rover on moon, astronaut Jim Irwin

Mt. Fuji erupts, the Apollo 15 astronauts go for a ride, major-league baseball players end their strike, and Michael Phelps swims into Olympic history, all on this day.