1995 - The video game The Terminator: Future Shock identifies the year 1995 as the beginning of the nuclear war, and by proxy, Judgment Day.

August 29, 1997 - The original date from James Cameron's films.

July 25, 2003 - Terminator: Rise of the Machines has Judgment Day happen in 2003, with July 25 being the date that's revealed in a novel about Terminator: Salvation.

July 25, 2004 - Another date for Judgment Day revealed in a prequel novel to Terminator: Salvation.

April 21, 2011 - Judgment Day from Terminator: The Sarah Connor Chronicles TV series.

2017 - Although an exact date isn't given, Terminator: Genisys reveals that Judgment Day was simply postponed by 20 years.