I think 2002 :) :)
The Wimbledon Championships start on the Monday between the 20th and 26th June every year. The championships are scheduled to end on the Sunday 13 days after the start.
It began in 1877, although it only included Gentlemen's singles
Reginald Doherty was the Wimbledon champion in the year 1990
Yes, Wimbledon happens every summer.
The 2012 Wimbledon Tennis Championship starts on Monday the 25th June.
Wimbledon starts June 24 (and finishes July 7) 2013
Since the date changes from year to year, refer to the Wimbledon link, below, for up-to-date information.