1891 – Alexander was born in London, United Kingdom on December 10, 1891.
1910 – Attended Harrow School and Royal Military Academy Sandhurst.
1911 – Joined the Irish Guards.
1914 – He was part of the original British Expeditionary Force with a rank of lieutenant and platoon commander.
1915 – Received the Military Cross Award for his valor in combat.
1916 – Received the Distinguished Service Order and the Legion of Honour Award.
1918 – Promoted to Brigadier.
1919-1920 – Commanded the Baltic German Army in the Latvian War of Liberation.
1931 – Married Lady Margaret Bingham on October 14, 1931.
1937 – Promoted to Major-General and joined the British Expeditionary Force.
1939 – Became commander of the 1st Infantry Division in France.
1942 – Became Commander-in-Chief Middle East to North Africa.
1943 – Became Deputy to Dwight Eisenhower and Supreme Allied Commander of Allied Armies in Italy.
1944 – Achieved one of the strategic goals of the Italian campaign by capturing Rome.
1945 – Received the German surrender in Italy on April 29, 1945.
1946-1952 – Became Viscount Alexander of Tunis of Errigal in the County of Donegal and was made a Knight of the Garter. He was elected Governor General of Canada.
1952-1954 – Appointed Minister of Defence.
1969 – Died on June 16, 1969 due to perforated aorta.