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Slavery is abolished throughout the Costa Rican territory since 1824.
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The Partido de Nicoya was annexed to Costa Rica. Its territory today is part of the Province of Guanacaste.
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Jose Maria Castro Madriz became the first president of the Republic of Costa Rica in the period from 1848 to 1849.
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The battle of Rivas was fought in which the national hero named Juan Santamaria died.
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The death penalty was abolished during the mandate of General Tomas Guardia.
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The city of San Jose became the first Latin American city and third in the world to have electric lighting.
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The Civil War develop because the congress annulled the elections that Otilio Ulate Blanco won over Rafael Calderon Guardia.
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The Nobel Peace Prize is awarded to President Oscar Arias Sanchez.