Decades: 1730s 1740s 1750s 1760s 1770s - 1780s - 1790s 1800s 1810s 1820s 1830s
Years: 1784 1785 1786 1787 1788 - 1789 - 1790 1791 1792 1793 1794
January 7 - First nationwide United States election
January 21 - The first American novel, The Power of Sympathy or the Triumph of Nature Founded in Truth, is printed in Boston, Massachusetts
January 23 - Georgetown College becomes the first Catholic college in the United States (Washington, DC).
February 4 - George Washington is unanimously elected to be the first President of the United States by the U.S. Electoral College.
March 4 - In New York City, the first United States Congress meets and declares the new Constitution of the United States is in effect.
April 1 - In New York City, the United States House of Representatives holds its first quorum and elects Frederick Muhlenberg of Pennsylvania as its first House Speaker.
April 28 - Fletcher Christian leads a mutiny on HMS Bounty against Captain William Bligh
April 30 - George Washington officially begins his term as the 1st President of the United States.
July 9 - In Versailles, the National Constituent Assembly is formed by the French National Assembly and begins preparations for a French constitution.
July 10 - Alexander Mackenzie reaches Mackenzie River Delta.
July 14 - French Revolution: Parisians storm the Bastille Prison in Paris and free seven political prisoners.
July 27 - The first U.S. federal government agency, the Department of Foreign Affairs, is established (later renamed Department of State).
August 4 - The feudal system is abolished in France.
August 7 - The United States War Department is established.
September 2 - United States Department of the Treasury is founded.
September 29 - War Department first establishes regular army with strength of several hundred men.
November 6 - Pope Pius VI appoints Father John Carroll as the first Roman Catholic bishop in the United States.
November 20 - New Jersey becomes the first U.S. state to ratify the Bill of Rights.
November 21 - North Carolina ratifies the United States Constitution and becomes the 12th U.S. state.
Beginning of the French Revolution
Change of Ottoman sultan of the Ottoman Empire from Abd-ul-Hamid I (1773-1789) to Selim III (1789-1807)
Thomas Jefferson brings the first macaroni machine to the United States
The Judiciary Act established the Supreme Court of the United States and the federal judiciary.
Captain Cook arrives in Hawaii and is thought to be the god Lono. The last time the Kumulipo is recited is this year, in his honor.
Year in topic
1789 in literature:
The Castles of Athlyn and Dunbane - Ann Radcliffe
Earl Strongbow - James White
March 16 - Georg Simon Ohm, physicist and discoverer of Ohm's law (+ 1854)
August 21 - Augustin Louis Cauchy (French mathematician )
April 7 - Abd-ul-Hamid I, Ottoman sultan
May 25 - Anders Dahl, botanist for whom the dahlia is named
China - Qianlong Emperor of China, Qing Dynasty (reigned from October 18, 1735 to February 9, 1796)\n