Army Day is observed in Peru every December 9 to commemorate the anniversary of the country's victory in the Battle of Ayacucho, which is regarded as the conclusion of the Peruvian War of Independence. This war began in 1811 and culminated in the decisive battle on December 9, 1824, where a coalition army of Peruvian, Argentinian, Venezuelan, Colombian, and Chilean soldiers defeated the Royalists at Pampa de Ayacucho. The battle is a significant event in Peru's history, leading to the establishment of Army Day to honor this victory. Traditional celebrations include grand military parades that march through the streets, showcasing the glory of the Peruvian Army. The holiday serves to recognize the sacrifices made during the war and to celebrate national pride.