History
- Rideau District was formed in 1972 after the reorganization of the 18 Squadrons in Rideau- St. Lawrence District into 12 Squadrons in St. Lawrence District, and a 6 Squadrons in Rideau District
- The 6 Squadrons were Ottawa, Brockville, Kingston, Britannia, Cornwall, Iroquois. Iroquois was subsequently renamed to Seaway Valley and 3 new Squadrons were formed, Rideau Lakes Squadron in 1980 and Oiseau Rock Squadron and L’Escadrille de L’Outaouais in 1984. In 1997 Seaway Valley dissolved.
- L’Escadrille de L’Ootaouais transfers from Rideau District to Maisonneuve District in Quebec
- Ottawa 1952-Present, Kingston 1954-present, Brockville 1955-present, Britannia 1965-2017, Cornwall 1961-2019, Rideau Lakes 1981- 2011, Oiseau Rock 1984-2016
- 2004 Rideau District membership was 1985 members and Associates
- 2011 Rideau Lakes Squadron merged with Britannia Squadron
- 2016 Oiseau Rock Squadron merged with Britannia
- 2017 Britannia Squadron merged with Ottawa Squadron
- 2019 Cornwall Squadron merged with Brockville Squadron
- 2019 Outaouais Squadron merged with Ottawa Squadron, after Amiral District in Quebec, was dissolved
- Currently Rideau district is composed of 3 Squadrons, Ottawa, Brockville, Kingston
- January 2023 membership in Rideau District is 464