Timeline April 10 to 12

April 10
1850  Bishop Strachan left Toronto for England carrying a petition seeking a royal charter for an Anglican College, present day Trinity College.
1959  A nuclear research reactor began operation at McMaster University in Hamilton.

April 11
1785  Sir John Johnson and a group of officers drew up a petition to King George III on behalf of the United Empire Loyalists, asking that Loyalist settlements be separated from Quebec so they could have freehold tenure and English civil law.
1814  Napoleon Bonaparte abdicated as emperor of France and was banished to the island of Elba.
1829  William Booth, English minister and founder of the Salvation Army, was born.
1839  John Galt, organizer of the Canada Company and founder of Guelph, died in Greenock, Scotland.
1870  Vladimir Lenin, Russian Communist leader of the 1917 Bolshevik revolution, was born.
1912  The Titanic set sail from Southampton, England, on its ill-fated maiden voyage.
1945  American soldiers liberated the Buchenwald concentration camp in Germany.
1962  The Nuclear Power Demonstration Station reactor at Rolphton came into operation.

April 12
1606  England adopted the Union Jack as its flag.
1778  John Strachan, Scottish born Canadian educator and first Anglican bishop of Toronto, was born.
1819  The Earl of Dalhousie was made Governor General of British North America.
1861  The American Civil War began as Confederate forces fired on Fort Sumter in South Carolina.
1917  Women were granted the right to vote in Ontario.
1946  The 17th Governor General, the last titled holder of this office, Viscount Alexander of Tunis, was sworn in by the Senate.
1955  The Salk vaccine against polio was declared safe and effective.
1961  Soviet cosmonaut Yuri Gagarin became the first man to fly in space, orbiting the Earth once before making a safe landing.