Co-blogger ASM826 pointed out that the Leathernecks hit the sands of Iwo Jima on this day 75 years ago. But a lot more happened on February 20.
In 1942, Butch O'Hare became the first American ace in World War II, shooting down five bombers and saving the U.S.S. Lexington.
Twenty years later in 1962, John Glenn became the first American to orbit the Earth. That's a long way to come in 20 years.