Politically and militarily Uruguayan born about 1799 in Argentina and died in Montevideo in 1862. Towards the year 1811, in struggles for the Uruguayan independence, he/she joined the troops of José Gervasio Artigas , who defended the city of Montevideo from the siege of the partisan troops remain under Spanish sovereignty. Subsequently, he/she participated in the fundamental Congress of Tres Cruces (1813), which was issued the Act of independence of the Eastern province. Anaya signed his signature creation of the incipient State of Uruguay. He/She also accompanied Artigas called exodus from the East Village, when the Uruguayans disobeyed the orders of Argentine and established its own Government in the territory of ayuí. In this Government Anaya held various interim positions, until the definitive consolidation of the Uruguayan State Republican apparatus, in 1815.
Between 1816 and 1817, Anaya was Deputy and Senator for the Government of Artigas and fought with him at the battle of the pass of the Catalan (4 January 1817), in which the Portuguese invaders defeated the Uruguayan troops. In 1825, Anaya joined the general Juan Antonio Lavalleja in the famous group of thirty-three, who fought to expel the Portuguese from Uruguay. Once in 1828 was completed the victory group, and especially after the first Uruguayan Constitution, issued on July 18, 1830, Anaya was appointed Prime Minister by the first President of the Republic, José Fructuoso Rivera. During the conflicts arising between Rivera and Lavalleja, Anaya held the interim presidency of the Republic, between 1834 and 1835. Finally, in 1836, he/she left the ranks of the Colorado Party, founded by Rivera, and joined the military in the case of the white party, founded by Manuel Oribe, successor in the Presidency of the Republic of Rivera. Struggles between Oribe and Rivera gave rise to the civil armed confrontation between Uruguayans, with intervention from Argentina and France, called the great war, in which Anaya defended the rights of the legitimate President, Oribe. With the defeat of Oribe, and like the general, he/she had to go into exile to Argentina, until his return to Uruguay in 1853. Since that time, and until his death in 1862, Anaya worked in the writing of a memoir on the independence of Uruguay who did not complete.