1822 – He was born on the 28th of January of this year in Logierait, Scotland.
1845 – Mackenzie married Helen Neil in this year and with her had three children, with only one girl surviving infancy.
1853 – He married Jane Sym this year.
1873 – When the Macdonald government fell due to the Pacific scandal in this year, the Governor General, Lord Dufferin, had to call on someone to form a government. There was no clear leader of the Liberal Party. Mackenzie was the fourth person called upon, and the first to accept the post of Prime Minister. He was the Prime Minister of Canada from the 7th of November of this year until on the 9th of October of 1878.
1874 – As Prime Minister, he strove to reform and simply the machinery of government. He introduced the secret ballot; created the Supreme Court of Canada; established the Royal Military College of Canada in Kingston in this year.
1878 – He established Office of the Auditor General in this year; and struggled to launch the national railway.
1880 – After his government’s defeat, Mackenzie remained Leader of the Opposition until this year, when he relinquished the party leadership to Edward Blake. However, he remained as a Member of Parliament until his death.
1892 – He died of stroke at age 70 that resulted from hitting his head during a fall on the 17th of April of this year in Toronto, Ontario.