1750- Origin of trapshooting in England.
1810- First documented history of trapshooting at the Hornsey Wood Pigeonn Club in England.
1831 - Inauguration of trapshooting in America. The first official records were kept at the Sportsmen's Club in Cincinnati.
1840 - New York Sportsman's Club held its first trapshooting competition.
1866 - First glass ball competition.
1880- George Ligowsky of Cincinnati created the clay target.
1885 - First national trapshooting tournament staged in New Orleans.
1890- Interstate Trapshooting Association was formed.
1900- First Grand American held at Interstate Park in Queens, New York.
1909 - First automatic trap machines were used.
1911- Doubles was introduced for the first time.
1913- First Women's Trapshooting Club (Dupont Gun Club in Wilmington, DE)
1919- Name was changed from Interstate Association to the American Trapshooting Association.
1923 - American Trapshooting Association later became Amateur Trapshooting Association.
1924- Permanent ATA home built in Vandalia, OH.
1969- New addition to the main clubhouse. The Hall of Fame was dedicated.
1976 - Youth Trapshooting Program was undertaken in conjunction with the Trapshooting Hall of Fame.
1977- All-American team selection became an official function of the ATA.
1980- First National Trapshooting Day.
1998 - A Day at the Range was introduced, an educational seminar that introduces females to the sport of trap.
1999- Grand American World Championships celebrates its 100th anniversary.