A little bit of Maple history

Maple 1.0 (January 1982)
Maple 1.1 (January 1982)
Maple 2.0 (May 1982)
Maple 2.1 (June 1982)
Maple 2.15 (August 1982)
Maple 2.2 (December 1982)
Maple 3.0 (May 1983)
Maple 3.1 (October 1983)
Maple 3.2 (April 1984)
Maple 3.3 (July 31, 1984)
Maple 4.0 (April 15, 1986)
Maple 4.1 (May 1987)
Maple 4.2 (December 7, 1987)
Maple 4.3 (March 1989)
Maple V (February 8, 1990)
Maple V Release 1.0 (August 1990)
Maple V Release 2.0 (November 17, 1992)
Maple V Release 3.0 (March 3 1994)
Maple V Release 4.0 (January 16 1996)
Maple V Release 5.0 (November 01, 1997)
Maple V Release 5.1 (October 27, 1998)
Version 6.0 (February 14, 2000)
Version 6.02 (February 23, 2000)
Version 7.0 (July 1, 2001)
Version 8.0 (May 27, 2002)
Version 9.0 (May 15, 2003)
Version 9.5 (sometime in 2004)
Version 10.0 (May 16, 2005)
Version 11.0 (February 21, 2007)
Version 12.0 (May 06, 2008)
Version 13.0 (April 28, 2009)
Version 14.0 (May 18, 2010)
Version 15.0 (April 13, 2011)
Version 15.01 (June 22, 2011)
Version 16.0 (March 28, 2012)
Version 16.01 (May 23, 2012)
Version 17.0 (March 13, 2013)
Reference