Abigail and her sister-in-law Lydia were sisters.

Historical
1730-1760: England, United States - First Great Awakening takes place in Great Britain and North America, it challenges the established clergy and leads to many new Protestant denominations, this contributes to the concept of religious tolerance
1730: Turkey - Mahmud I takes over Ottoman Empire after the Patrona Halil revolt, ending the Tulip period
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