The twenty seven year difference in the ages of Betsey and Rufus raises some suspicion to either the dates or the persons. See Abijah Moore, the son of Richard Moore and Mary Collins. Also see Abijah Moore, the son of William Moore and Tamar Rice.

Historical
1778: United States - James Cook becomes first European on the Hawaiian Islands
1778: Vietnam - Tây So-n Dynasty established in Vietnam
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
1800: England - The Company of Surgeons are awarded their Royal Charter and became the Royal College of Surgeons of England
1800: United States - The Inception of the Second Great Awakening for the United States
1801-1815: United States, Africa north coastal countries - Barbary War between the United States and the Barbary States of North Africa
1801: England, Ireland - The Kingdom of Great Britain and the Kingdom of Ireland merge to form the United Kingdom
1801: Pakistan - Ranjit Singh crowned as King of Punjab (made up of parts of India, Pakistan and Afghanistan)
1801: United States - Thomas Jefferson elected President of the United States by the United States House of Representatives, following a tie in the Electoral College
1803: Saudi Arabia - The Wahhabis of the First Saudi State capture Mecca and Medina
1803: United States, France - The United States buys out territorial claims of France in North America via the Louisiana Purchase, this begins the U.S. westward expansion to the Pacific referred to as Its Manifest Destiny which Involves annexing and conquering land from Mexico, Britain, and Native Americans
1804-1810: Nigeria - Fulani Jihad in Nigeria
1804-1815: Serbia, Turkey - Serbian revolution erupts against the Ottoman rule, Suzerainty of Serbia recognized in 1817
1804: Auastria - Austrian Empire founded by Francis I
1804: France - Napoleon crowns himself emperor of France
1804: Haiti, France - Haiti gains Independence from France and becomes the first black republic
1805-1848: Egypt - Muhammad Ali modernizes Egypt
1805: England, France, Spain - The Battle of Trafalgar eliminates the French and Spanish naval fleets and allows for British dominance of the seas, a major factor for the success of the British Empire later in the century
1806-1812: Russia, Turkey - Russo-Turkish War (eighth of ten), Russian victory
1806: Europe - Treaty of Pressburg (Bratislava, Slovakia), Holy Roman Empire is dissolved as Francis II renounces his title as Holy Roman Emperor and becomes Emperor Francis I of Austria
1807: England - Britain declares the Slave Trade Illegal
1808-1809: Russia, Finland, Sweden - Russia conquers Finland from Sweden in the Finnish War
1808-1814: Spain - Spanish guerrillas fight in the Peninsular War
1809: France - Napoleon strips the Teutonic Knights of their last holdings in Bad Mergentheim
1810: Germany - The University of Berlin is founded, among Its students and faculty are Hegel, Marx, and Bismarck, the German university reform proves to be so successful that Its model is copied around the world (see History of European research universities)
1810: Mexico - The Grito de Dolores begins the Mexican War of Independence
1810s-20s: Latin America, Spain, Portugal - Most of the Latin American colonies free themselves from the Spanish and Portuguese Empires after the Latin American wars of Independence
1812-1815: United States, England - War of 1812 between the United States and the United Kingdom
1812: France, Russia - The French Invasion of Russia is a turning point in the Napoleonic Wars
1813-1907: England, Russia, Asia - The contest between the British Empire and Imperial Russia for control of Central Asia is referred to as the Great Game
1814-16: England, Nepal - Anglo-Nepalese War between Nepal (Gurkha Empire) and British Empire
1815: Austria - The Congress of Vienna redraws the European map, the Concert of Europe attempts to preserve this settlement, but It fails to stem the tide of liberalism and nationalism that sweeps over the continent
1815: Europe - combined armies commanded by the Duke of Wellington defeat Napoleon at Waterloo (Belgium), bringing a conclusion to the Napoleonic Wars and marks the beginning of a Pax Britannica which lasts until 1870