May 11 » War of the Austrian Succession: French forces defeat an Anglo-Dutch–Hanoverian army.
June 4 » Battle of Hohenfriedberg: Frederick the Great's Prussian army decisively defeated an Austrian army under Prince Charles Alexander of Lorraine during the War of the Austrian Succession.
June 16 » War of the Austrian Succession: New England colonial troops under the command of William Pepperrell capture the Fortress of Louisbourg in Louisbourg, New France (Old Style date).
June 28 » A New England colonial army captures the French fortifications at Louisbourg (New Style).
September 21 » A Hanoverian army is defeated, in ten minutes, by the Jacobite forces of Prince Charles Edward Stuart
December 4 » Charles Edward Stuart's army reaches Derby, its furthest point during the Second Jacobite Rising.
Day of marriage February 22, 1767
The temperature on February 22, 1767 was about 10.0 °C. Wind direction mainly south by west. Weather type: zeer betrokken. Source: KNMI
June 17 » Samuel Wallis, a British sea captain, sights Tahiti and is considered the first European to reach the island.
July 3 » Norway's oldest newspaper still in print, Adresseavisen, is founded and the first edition is published.
July 3 » Pitcairn Island is discovered by Midshipman Robert Pitcairn on an expeditionary voyage commanded by Philip Carteret.
August 26 » Jesuits all over Chile are arrested as the Spanish Empire suppresses the Society of Jesus.
October 11 » Surveying for the Mason–Dixon line separating Maryland from Pennsylvania is completed.
Day of death June 19, 1775
The temperature on June 19, 1775 was about 20.0 °C. Wind direction mainly northeast. Weather type: betrokken. Special wheather fenomena: wat dauw. Source: KNMI
March 23 » American Revolutionary War: Patrick Henry delivers his speech – "Give me liberty, or give me death!" – at St. John's Episcopal Church, Richmond, Virginia.
August 20 » The Spanish establish the Presidio San Augustin del Tucson in the town that became Tucson, Arizona.
September 8 » The unsuccessful Rising of the Priests in Malta.
October 13 » The Continental Congress establishes the Continental Navy (predecessor of the United States Navy).
November 13 » American Revolutionary War: Patriot revolutionary forces under Gen. Richard Montgomery occupy Montreal.
December 31 » American Revolutionary War: Battle of Quebec: British forces repulse an attack by Continental Army General Richard Montgomery.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P11585.php : accessed January 17, 2026), "Margaret Mansfield (1745-1775)".
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