World Origami Day is today! The practice of paper folding was originally called orikata. In 1880 the name was changed to origami. Oru means fold, and kami means paper. In 1980 Lillian Oppenheimer founded the Friends of Origami Center of America, today called OrigamiUSA. Today culminates World Origami Days. The paper crane is a symbol of peace, apropos to today, Veterans Day. Children can learn how to make a paper crane at: NPS Paper Crane.