Is Eunice a sister to her sister-in-law Sally Wood, wife of William's brother Enos? Also, in W.R. Cutter's book History of Middlesex County Massachusetts, Eunice was the youngest child of Zebulon and his wife Mary Wood but the book did not mention the children of Hannah, Clarissa, Sally, and Priscilla as per Hemenway's Vermont Gazetteer.

Historical
1779-1879: England, South Africa - Xhosa Wars between British and Boer settlers and the Xhosas in South African Republic
1780: Peru - Outbreak of Indigenous rebellion led by Túpac Amaru II in Peru
1781-1785: Austria - Serfdom abolished in the Austrian monarchy (first step, second step in 1848)
1781: United States, Spain - Spanish settlers founded Los Angeles
1783: Iceland - Famine in Iceland caused by the eruption of the Laki volcano
1783: Ukraine, Russia - Russian Empire annexed the Crimean Khanate
1783: United States, England - The Treaty of Paris formally ends the American War of Independence
1785-1791: Russia - Imam Sheikh Mansur, a Chechen warrior and Muslim mystic, led a coalition of Muslim Caucasian tribes from throughout the Caucasus in a holy war against the Russian Invaders
1785-1795: United States - Northwest Indian War between the United States and Native Americans
1787-1792: Russia, Turkey - Russo-Turkish War (seventh of ten), Russian victory
1787: Japan - Kansei Reforms Instituted in Japan by Matsudaira Sadanobu
1787: Sierra Leone - Freed slaves from London founded Freetown in present-day Sierra Leone
1787: United States - United States Constitution was written in Philadelphia and submitted to the states for ratification, the Bill of Rights ratified four years later
1788-1789: Brazil - Inconfidencia Mineira, conspiracy against the colonial authorities in Brazil
1788: Astralia - First European settlement established in Australia at Sydney, Australia is the only Western country with no Bill of Rights
1788: France - First French Quaker community established in Congenies
1788: United States - New Hampshire ratifies the United States Constitution as the ninth state, and by the terms of Article VII, the constitution goes into effect
1789-1799: France - The French Revolution
1789: Canada, England, Spain - Great Britain and Spain dispute the Nootka Sound during the Nootka Crisis
1789: Unites States - George Washington unanimously elected President of the United States, he serves two four-year terms
1790: Belgiu, - United States of Belgium proclaimed following the Brabant Revolution
1790: Poland, germany - Establishment of the Polish-Prussian Pact
1791-1795: globe - George Vancouver explores the world during the Vancouver Expedition
1791-1804: Haiti - The Haitian Revolution
1791: Canada - The Constitutional Act (Or Canada Act) creates the two provinces of Upper and Lower Canada in British North America
1792-1815: France - The Great French War started as the French Revolutionary Wars which lead into the Napoleonic Wars
1792: Sweden - King Gustav III of Sweden was assassinated by a conspiracy of noblemen
1792: United States - New York Stock & Exchange Board founded
1793-1796: France - Revolt in the Vendee against the French Republic at the time of the Revolution
1793: Canada - Upper Canada bans slavery
1793: United States - The largest yellow fever epidemic in American history killed as many as five thosand people in Philadelphia—roughly 10% of the population
1794: Iran - Qajar dynasty founded in Iran after replacing the Zand dynasty
1794: Poland - Polish revolt
1794: United States, England - The Jay Treaty concluded between Great Britain and the United States which returns to the U.S. the Western outposts in the Great Lakes, and, commerce between the two countries is regulated
1795: France - The Marseillaise officially adopted as the French national anthem
1795: Georgia - Mohammad Khan Qajar razes Tbilisi to the ground
1795: United States, Spain - The Pinckney Treaty between the United States and Spain granted the Mississippi Territory to the U.S.
1795: United States - Kamehameha I of the Island of Hawaii defeats the Oahuans at the Battle of Nu uanu
1796-1804: China - The White Lotus Rebellion against the Manchu Dynasty in China
1796: Africa (western) - Mungo Park, backed by the African Association, is the first European to set eyes on the Niger River in Africa
1796: Ceylon, England, Naterlands - British ejected Dutch from Ceylon
1796: England - Edward Jenner administers the first smallpox vaccination, smallpox killed an estimated 400,000 Europeans each year during the 18th century (including five reigning monarchs)
1796: France - Battle of Montenotte, engagement in the War of the First Coalition, first victory of Napoleon Bonaparte as an army commander
1797: France - Napoleon Invades and partitions the Republic of Venice ending over a thousand years of Independence for the Serene Republic
1797: United States - John Adams is elected to succeed George Washington as President of the United States, he serves one four-year term and his son, John Quincy Adams, will serve one term as President 24 years later
1798-1800: United States, France - Quasi-War between the United States and France
1798: Ireland - The Irish Rebellion failed to overthrow British rule in Ireland
1799: France - Napoleon staged a coup d etat and became dictator of France
1799: India - Dutch East India Company is dissolved
1799: Tonga - The assassination of the 14th Tu I Kanokupolu, Tuku aho, plunges Tonga into half a century of civil war