20 January 1930 – Edwin Eugene Aldrin Jr is born in Montclair, New Jersey to Edwin Eugene Aldrin Sr and Marion Moon.
1932 – Takes his first flight, aged two, in a Lockheed Vega piloted by his father.
May 1951 – Graduates third in his class from US Military Academy, West Point.
December 1951 – Joins the US Air Force and serves in the Korean War. Flies 66 combat missions in F-86 Sabres, shooting down two MiG-15s.
29 December 1954 – Marries Joan Archer. They have three children – James, Janice and Andrew.
1956 – Begins a three-year Air Force assignment in Bitburg, Germany, flying F-100 Super Sabres.
1959 – Enrols at Massachusetts Institute of Technology for a doctorate in astronautics, which he receives just over three years later.
October 1963 – Selected by NASA for its astronaut programme. He pioneers the practice of underwater training to simulate zero gravity.
11 November 1966 – Launches into space on the Gemini 12 mission, and sets a record for longest extra-vehicular activity.
4 January 1969 – Learns of his selection for the prime crew of Apollo 11.
March 1972 – Retires from the Air Force due to psychological and personal problems. First marriage ends in divorce.
19 December 1975 – Marries Beverly Van Zile.
10 April 1978 – Second marriage ends in divorce.
14 February 1988 – Marries Lois Driggs Cannon.
August 1996 – Descends 3,500m below the surface of the North Atlantic in a submarine to the wreck of the Titanic.
1999 – Founds the ShareSpace Foundation to promote space tourism.