National days in Indonesia include 18 holidays that commemorate important events and figures. Some of the national days are Kartini Day on April 21st honoring national heroine Kartini, Earth Day on April 22nd, Labor Day on May 1st, National Education Day on May 2nd, National Awakening Day on May 20th, Reformation Commemoration Day on May 22nd, Pancasila Day on June 1st, National Children's Day on July 22nd, Independence Day on August 17th, Batik Day on October 2nd, Indonesian Armed Forces Day on October 5th, Youth Pledge Day on October 28th, Heroes' Day on November 10th, Teachers' Day on