1516		failed expedition of Juan Díaz de Solís to the Río de la Plata Estuary.
15 August 1537		Asunción is founded.
1542		The province became part of the newly established Viceroyalty of Peru, with its seat in Lima.
1556		establishment of the Roman Catholic Church in Paraguay.
1767		Spanish king, Charles III (1759-88), expelled the Jesuits.
1776		the crown created the Viceroyalty of Río de la Plata; Paraguay, which had been subordinate to Lima, now became an outpost of Buenos Aires.
17 May 19811		Paraguay declared independence.
30 September 1813		The congress met for the first time.
1814		José Gaspar Rodríguez de Francia became the first president of Paraguay.
1844		Carlos Antonio Lópezbecame the second president of Paraguay.
1864-1870		war against Argentina, Brazil, and Uruguay.
1876		last foreign troops left Paraguay.
1912		Eduardo Schaerer became president.
1932-1935		War of Chaco with Bolivia.
21 July 1938		peace treaty signed with Bolivia, fixed the final boundaries behind the Paraguayan battle lines.
December 1946		Coup d'état in December 1946 and full-scale civil war in March 1947.
15 August 1954		Alfredo Stroessner Mattiauda became president.
1989		Stroessner was overthrown by army leader General Andres Rodriguez.
1992		Paraguay's new constitution went into effect.
15 August 2003		Nicanor Duarte Frutos became president.