John Glenns Timeline By mcdonnellj Jul 18, 1921 Born John Herscel Glenn Jr was born on July 18, !921 Feb 5, 1944 Sent overseas. Dec 13, 1945 John David Was Born Mar 15, 1947 Carolyn Glenn Was Born Jan 31, 1958 Orbit sent in space Dec 17, 1958 John created Nasa