About National Yo-Yo Day
National YoYo Day is celebrated on June 6th each year in memory of Donald Duncan Sr. (founder of the Duncan Toys Company) who helped popularize yoyos in the US!
Thi sis the day to practice the cradle, the sleeper, walk the dog, skin the cat, rock the baby or around the world.
The word yoyo probably comes from the Ilocano term yóyo, or a cognate word from the Philippines.
This observance was created in 1990 by Daniel Volk, a former yo-yo demonstrator.