1768 – The first edition of the Encyclopaedia Britannica is published.

1790 – The U.S. Congress moves from New York City to Philadelphia, Pennsylvania.

1865 – The Thirteenth Amendment to the United States Constitution is ratified, banning slavery.

1917 – In Canada, a munitions explosion kills more than 1,900 people and destroys part of the City of Halifax, Nova Scotia.

2001 – The Canadian province of Newfoundland is renamed Newfoundland and Labrador.

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