Guanacaste Day, also known as Annexation of Nicoya Day, is celebrated on July 25th in Costa Rica, particularly in the Guanacaste province.The festivities include parades, cultural events, traditional dances, and public celebrations to honor the historical event.This day holds significance as it marks the annexation of the Guanacaste province from Nicaragua in 1824.The celebration is for the citizens of Costa Rica and is initiated by the government.Guanacaste Day is a special occasion that highlights national unity and regional identity through various events like parades, cultural performances, and community gatherings.