Tamar was unmarried in 1755.

Historical
1732-1734: Russia, Ukraine - Crimean Tatar/Tartar raids into Russia
1732: United States - George Washington is born in Virginia
1733-1738: Poland - War of the Polish Succession
1735-1739: Russia, Turkey - Russo-Turkish War (fifth of ten), Russian victory
1735-1799: China - The Qianlong Emperor of China oversaw a huge expansion in territory
1735: United States - John Adams is born in Boston
1736: China - Qing Dynasty Chinese court painters recreate the classic panoramic painting by Zhang Zeduan called Along the River During Qingming Festival
1736: Iran - Nader Shah assumed title of Shah of Persia and founded the Afsharid dynasty, ruled until his death in 1747
1736: United States - Patrick Henry born
1737: United States - Alexander Hamilton born
1737: United States - John Hancock born
1738-1756: Mali - Famine across the Sahel, half the population of Timbuktu (Mali) died
1738: Italy - Pope Clement XII Issues the Eminenti Apostolatus Specula prohibiting Catholics from becoming Freemasons
1739: England, Spain, Caribbean - Great Britain and Spain fight the War of Jenkins Ear in the Caribbean
1739: India - Battle of Karnal, Nader Shah defeats the Mughals and sacks Delhi
1740-1741: Ireland - Famine in Ireland killed ten per cent of the population
1740-1748: Austria - War of the Austrian Succession
1740: England, Spain, United States - British attempt to capture St. Augustine, Florida but lose to the Spanish during the Siege of St. Augustine
1740: Germany - Frederick the Great comes to power in Prussia
1741: Italy - Pope Benedict XIV Issues Immensa Pastorum principis against slavery
1741: Russia, United States - Russians began settling the Aleutian Islands
1741: United States - Benjamin Franklin invents the Franklin Stove, a very efficient stove that heats a house even after the fire extinguishes. Franklin chose to not patent his invention based on his belief that he instead should help others
1743: United States - Thomas Jefferson is born in Virginia
1744-1748: France, India - The First Carnatic War fought between the British, the French, the Marathas, and Mysore in India
1744: France - French attempt to restart the Jacobite rebellion fails
1744: Saudi Arabia - The First Saudi State is founded by Mohammed Ibn Saud
1745: England, Scotland - Second Jacobite Rebellion began by Charles Edward Stuart in Scotland
1745: United States - John Jay born
1747: Afghanistan - Ahmed Shah Durrani founded the Durrani Empire in modern day Afghanistan
1748-1754: England, France, India - The Second Carnatic War fought between the British, the French, the Marathas, and Mysore in India
1748: Austria - Treaty of Aix-La-Chapelle ends the War of the Austrian Succession and First Carnatic War
1748: United States - Benjamin Franklin retires from the printing business to pursue scientific matters
1750: Europe - Peak of the Little Ice Age [first suggested in 1939, this has since been disputed after more detailed research] that lasts another one hundred years
1751: United States - Jamaes Madison born