The first president of the United States under the current U.S. Constitution was George Washington. He was unanimously elected in 1789 and inaugurated on April 30, 1789, in New York City. Washington set many important precedents for the presidency, including the two-term limit and the peaceful transfer of power. He was a key figure in American history, a military leader during the Revolutionary War, and a founding father whose leadership helped shape the nation
. There is also historical mention of John Hanson, who was the first presiding officer of the Continental Congress under the Articles of Confederation, sometimes referred to as the "first president" in a different context before the current Constitution was established
. Regarding the first king in the world, historians do not have a definitive answer. Alulim is often cited as the first ruler in Sumerian myth, but his existence is considered mythical. Sargon of Akkad is recognized as the first known ruler to have established an empire around the 24th and 23rd centuries BC, ruling over much of Mesopotamia
