January 26 » The 8.7–9.2 Mw Cascadia earthquake takes place off the west coast of North America, as evidenced by Japanese records.
February 27 » The island of New Britain is discovered by Europeans.
February 28 » Today is followed by March 1 in Sweden, thus creating the Swedish calendar.
March 1 » Sweden introduces its own Swedish calendar, in an attempt to gradually merge into the Gregorian calendar, reverts to the Julian calendar on this date in 1712, and introduces the Gregorian calendar on this date in 1753.
Day of marriage February 7, 1722
The temperature on February 7, 1722 was about 5.0 °C. Source: KNMI
March 8 » The Safavid Empire of Iran is defeated by an army from Afghanistan at the Battle of Gulnabad, pushing Iran into anarchy.
April 5 » The Dutch explorer Jacob Roggeveen discovers Easter Island.
July 25 » Dummer's War begins along the Maine-Massachusetts border.
Day of death December 3, 1770
The temperature on December 3, 1770 was about 5.0 °C. There was 4 mm of rainWind direction mainly southwest. Weather type: betrokken regen helder. Source: KNMI
April 20 » The Georgian king, Erekle II, abandoned by his Russian ally Count Totleben, wins a victory over Ottoman forces at Aspindza.
May 26 » The Orlov Revolt, an attempt to revolt against the Ottoman Empire before the Greek War of Independence, ends in disaster for the Greeks.
June 11 » British explorer Captain James Cook runs aground on the Great Barrier Reef.
July 1 » Lexell's Comet is seen closer to the Earth than any other comet in recorded history, approaching to a distance of 0.0146 astronomical units (2,180,000km; 1,360,000mi).
July 7 » The Battle of Larga between the Russian Empire and the Ottoman Empire takes place.
August 21 » James Cook formally claims eastern Australia for Great Britain, naming it New South Wales.
When copying data from this family tree, please include a reference to the origin: Randy James Hammock, "RanHam Tree", database, Genealogy Online (https://www.genealogieonline.nl/ranham-tree/P5509.php : accessed December 27, 2025), "Joanna Gisby (1700-1770)".
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