Chaco Armistice, otherwise known as the 'Day of Peace', is a significant holiday celebrated in Paraguay each year on June 12th. This day marks the historic armistice that ended the Chaco War between Paraguay and Bolivia in 1935. Although the war was one of the deadliest conflicts in Latin America's 20th-century history, the robust celebration of the armistice underscores Paraguay's resilience and commitment to peace.

On this day, Paraguayans pay tribute to the courage and sacrifice of the soldiers who fought in the war. The Chaco Armistice holiday is an opportunity to not only honor those who have died, but also to promote peace, as the armistice effectively marked the cessation of bloodshed in that significant conflict. It's a time for reflection, remembrance, and understanding the importance of peace for any society.

The Chaco Armistice celebration is typically adorned with various public events. An array of civic ceremonies, educational activities, and peaceful marches are held to honor the veterans and commemorate the armistice. Amidst the celebration, Paraguayans also take the opportunity to advocate for peace, unity, and the prevention of future wars, underpinning the true essence of this significant holiday.