1578 William Harvey of England discovers blood circulation
1733 Canada's first lighthouse lit for the first time, using coal from nearby Morien and Spanish River, the round 200 metre tower, made with cement from limestone burned in local kilns, is the first fireproof concrete structure in North America.
1776 Ships carrying 1,124 United Empire Loyalists arrive at Halifax from Boston; many with the British Army; in all, 40,000 Americans remain loyal.
1778 Oliver Pollock, a New Orleans businessman, creates "$"
1789 House of Reps first full meeting, NYC, F Muhlenberg first speaker
1850 SF County Govt established
1852 Second Burmese War breaks out after British ultimatum to King of Burma.
1853 Cincinnati became first US city to pay firefighters a regular salary
1863 Wartime conscription law in US goes into effect
1865 Baie du Ha! Ha! Quebec, the first Canadian April Fools' Day on record celebrated by British troops and Canadian militia at Fort Poisson d'Avril.
1865 Battle of 5 Forks, signalling end of Lee's army
1867 Blacks vote in municipal election in Tuscumbia, Alabama
1867 International Exhibition opens in Paris
1868 Hampton Institute opens
1868 The Canadian Government fixes a uniform first class postal rate of three cents; establishes Post Office Savings Bank.
1870 Patrick Gass sgt of Lewis &Clark Expedition, dies at 98
1873 British White Star steamship Atlantic sinks off Nova Scotia, 547 die
1875 The Times of London becomes the first newspaper to print a daily weather chart.
1892 A Charlois discovers asteroid #331 Etheridgea
1893 Navy General Order 409 of 25 February 1893 establishes the rate of Chief Petty Officer as of this date.
1905 British East African Protectorate becomes colony of Kenya
1910 Dumitru Dan (Romania) completed a 62,137 mile (100,000 m) walk
1918 England's Royal Flying Corps replaced by Royal Air Force
1918 HMS Falcon, a Royal Navy 'C' Class destroyer sunk in collision in the North Sea with the trawler John Fitzgerald.
1918 In Alberta government declares total prohibition of alcoholic beverages. "the demon RUM"
