Here is what i got from the net:Concise History, Facts and Timeline about Bolivia
1545 The Spanish conquer Bolivia
1561 Santa Cruz was founded by the Spaniard Nuflo de Chavez
1810 - Overthrow of the king of Spain by Napoleon
1819 General Simon Bolivar defeats Bolivian royalist forces in the Battle of Boyaca on August 7 and the Republic of Colombia (also known as Gran Colombia) is proclaimed on December 17, consisting of Colombia, Venezuela, and Ecuador
1825 Bolivia declared its independence from Peru liberated by Simon Bolivar, for whom the Bolivian nation was later named
1907 Butch Cassidy and the Sundance Kid went to Bolivia where they were gunned down by Bolivian soldiers after robbing a mine
1928 Oil was discovered in the foothills of the Andes at the western Bolivian region of the Chaco
1932-1935 The Chaco War with Paraguay - ironically it was discovered that there was no oil after all
1942 Jun 7, Victor Paz Estensorro founded the National Revolutionary Movement
1952-1956 Victor Paz Estensorro founder of the National Revolutionary Movement served his first of four terms as Bolivian president