Heroes' Day, celebrated in Paraguay, is a tribute to the heroes who have given their lives for their country. This day is observed annually on March 1 and commemorates the end of the Paraguayan War, the most significant war in the country's history. The day embodies a sense of national pride and respect for the heroes, namely soldiers and civilians who bravely fought and sacrificed in this devastating conflict.

The Paraguayan War, also known as the War of the Triple Alliance, occurred from 1864 to 1870, pitting Paraguay against the allied countries of Brazil, Argentina, and Uruguay. The war had a significant impact on Paraguay, leading to a significant loss of population and plunging the country into a socio-economic crisis. Therefore, Heroes' Day serves as a somber reminder of a pivotal moment in the nation's history.

On Heroes' Day, various commemorative activities are held throughout Paraguay, including military parades, patriotic concerts, and solemn ceremonies at war memorials. Schools and universities often host educational programs about the Paraguayan War to foster a deeper understanding of the country's past among younger generations. The day is a public holiday, allowing Paraguayans the opportunity to pay their respects and honor the memory of their national heroes.