A national holiday commemerating the childern lost in a battle during the late 1800.
Some places to look for more information:
http://en.wikipedia.org/wiki/Children%27s_Day#Paraguay
http://kurrles.blogspot.com/2010/08/celebrating-children.html
Don't forget to send me festivals, celebrations and holidays I should be including, as little or as much information as you can.
Have a great day!!