The 1st Canadian Infantry Brigade was a Canadian Army formation that served with the 1st Canadian Division in World Wars I and II. In 1953 it was reformed in Germany to become the 1 Canadian Mechanized Brigade Group in 1992.
William Antrobus Griesbach commanded the brigade in 1918.
Order of Battle
World War I
1st Canadian Battalion (Ontario Regiment), CEF. August 1914 – November 11, 1918; 2nd Canadian Battalion (Eastern Ontario Regiment), CEF. August 1914 – November 11, 1918; 3rd Canadian Battalion (Toronto Regiment), CEF. August 1914 – November 11, 1918; 4th (Central Ontario) Battalion, CEF. August 1914 – November 11, 1918.
World War II
The Royal Canadian Regiment
The Hastings and Prince Edward Regiment
48th Highlanders of Canada
1st Canadian Infantry Brigade Ground Defence Platoon (Lorne Scots)
Post-1945
The brigade was re-established on 14 October 1953 in Europe. 1st Canadian Infantry Brigade created 14 October 1953 Redesignated 1st Canadian Infantry Brigade Group in October 1955 Redesignated 1 Combat Group in 1972 Redesignated 1 Canadian Brigade Group in 1976 Redesignated 1 Canadian Mechanized Brigade Group in 1992