World Baton Twirling Day is observed worldwide every April 10 to celebrate the sport of baton twirling, which combines agility, coordination, dance, and flexibility. The sport involves manipulating a baton, a metal rod with rubber ends, in coordinated routines set to music. Its origins can be traced back to Eastern European and Asian dance festivals, as well as the performances of marjorettes, who entertained in military settings. The sport began to develop separately in the mid-20th century, leading to the establishment of the World Baton Twirling Federation in 1977, which organized the first World Demonstration of Baton Twirling in 1979 and the inaugural World Baton Twirling Championships in 1980. In the 2020s, the International Baton Twirling Federation was formed to standardize the sport and pursue Olympic recognition. On World Baton Twirling Day, people are encouraged to engage with the sport by watching videos, attending local demonstrations or classes, learning official routines, and sharing their experiences on social media using the hashtag #WorldBatonTwirlingDay.