What Happened in History: Browse Historical Facts on Kudos 365

John Glenn returns to space aboard the Discovery’s 25th flight. Glenn became the first American to orbit the Earth on Mercury-Atlas 6 on February 20, 1962. With one flight in 1962 and another in 1998, at 77 years of age, John Glenn uniquely bridged two eras in space history and became the oldest human ever to travel in space. He died at age 95 in December 2016. More