American Timeline By JGiro 1492 1492 Columbus Lands at Hispaniola in the Caribbean. 1513 1513 Balboa "discovers" the Pacific Ocean in Panama. 1521 1521 Cortes conquers the Aztecs at Tenochtitlan (Mexico city) 1539 1539-41 De soto explores the region between Florida and the Mississippi River. 1607 1607 First permanent English settlement is founded in Jamestown, Virginia. 1620 1620 Mayflower Pilgrims found Plymouth colony in Massachusetts 1676 1676 English settlers defeat Native Americans in King Philip's War. 1680 1682 France claims the Mississippi River Valley and names it Louisiana 2005 2005 around there my family had came to the U.S.