On this day in 1954, the first nuclear-powered submarine, the USS Nautilus, was launched in Groton, Connecticut by Mamie Eisenhower, the First Lady of the United States.
On this day in 1976, commercial service of Concorde began with the London-Bahrain and Paris-Rio routes.
On this day in 1977, President of the United States Jimmy Carter pardoned nearly all American Vietnam War draft evaders, some of whom had emigrated to Canada.
On this day in 2004 – NASA's Mars Rover Spirit ceased communication with mission control. The problem was in the management of its flash memory and was fixed remotely from Earth on February 6.