For 10 points, name this 1864 to 1870 conflict in South America in which Argentina, Brazil, and Uruguay teamed up to defeat Paraguay.
A country who fought in this war now celebrates Children's Day on August 16, the day the losing side used a force of 3,500 children ages six to fifteen wearing fake beards. The losing side was curbstomped in three straight battles referred to as the "Dead of December" stretch. In this conflict, the losing country's leader was killed at the Battle of Cerro Cora and was buried by his Irish consort Eliza (*) Lynch. The winning side featured such commanders as the Duke of Caxias, and President Bartolome Mitre. This war ended with the death of Francisco Solano Lopez, who desired the province of Mato Grosso. For 10 points, name this 1864 to 1870 conflict in South America in which Argentina, Brazil, and Uruguay teamed up to defeat Paraguay.
A country who fought in this war now celebrates Children's Day on August 16, the day the losing side used a force of 3,500 children ages six to fifteen wearing fake beards.
War of the Triple Alliance [or Paraguayan War until "Paraguay" is mentioned]