Indiana By eme110744 600 BCE Ancient Mississippian Indian tribe settles along Ohio River 1679 Rene-Robert Cavelier, Sieur de La Salle, sails into St. Joseph River 1754 French and Indian War begins 1787 Indiana becomes part of Northwest Territory Dec 11, 1816 Indiana becomes the 19th state 1825 Indianapolis becomes the states new capital 1861 Civil War begins 1911 First Indianapolis 500 race held 1930 Farms fail after WW1 and 1929 stock market crash 1956 Indiana Toll Road joins eastern and western borders of the state 1987 Pan American Games held in Indianapolis 2001 Indiana enters the 21st century