1830 - Squash was invented in Harrow school when the pupils started playing with a punctured rackets ball, which “squashed” on impact with the wall.
1864 - The first four Squash courts were constructed at Harrow school and Squash was officially founded as a sport in its own right.
1886 - The first set of rules were formulated.
1911 - Standard measurements of the court were laid down.
1922 - The first major championships for women were held in England.
1923 - The first major championships for men were held in England.
1928 - The Squash Rackets Association (SRA) was founded.
1930 - The British Open Championships were first held.
1934 - The Women's Squash Rackets Association (WSRA) was founded.
1950 - Janet Morgan (Shardlow), wins the first of her 10 'Open' titles.
1951 - Hashim Khan wins his first 'Open' Championships and the Khan family then dominates the tournament until 1963.
1961 - Heather Blundell (McKay) wins the first of her sixteen 'Open' titles.
1966 - Representatives of the sport from a number of countries including Australia, Great Britain, India, New Zealand, Pakistan, USA and Canada meet in London and agree to form the International Squash Rackets Federation (ISRF).
1967 - Jonah Barrington wins the first of his six 'Open' titles.
1967 - Geoff Hunt of Australia wins the first ISRF World Individual Championship.
1969 - Geoff Hunt of Australia wins the first of his eight 'Open' titles.
1973 - Edinburgh hosts the first European men's team championship.
1974 - Geoff Hunt wins the first World Open Championships for men.
1976 - Heather McKay wins the first World Open Championships for women.
1978 - Amsterdam hosts the first European women's team championships.
1979 - The distinction between Amateurs and Professionals is abolished.
1980 - Jahangir Khan wins the first of his 10 'Open' titles.
1985 - The ISRF was amalgamated with the Women’s International Squash Federation.
1992 - The ISRF changed name to the World Squash Federation (WSF).
2005 - Squash makes shortlist of two (with karate) for inclusion in the Olympics Games but fails to get the two-thirds majority required for approval.
2009 - Squash misses out on inclusion in the Olympic Games for Rio 2016 - with golf and Rugby7s being approved instead.
2015 - Squash fails to make the final list of sports being considered for addition to the 2020 Games in Japan.