Toy Soldier Day is an annual event celebrated on March 4, originally established by the fan club "Toy Soldiers Unite," which was formed by fans of Dr. Steel, a Los Angeles-based music and street performance artist. The holiday aims to unite fans of various role-playing activities rather than focusing solely on the collection of plastic toy soldiers. Participants often gather to celebrate the day through activities that promote collaboration and sharing of ideas. The event is marked by fans donning uniforms and engaging in charity work and toy drives, which are referred to as "invasions." Although not as widely recognized as major holidays, numerous fans of Dr. Steel observe Toy Soldier Day each year, reflecting a commitment to social missions and the philosophy of transhumanism and freedom of thought promoted by Dr. Steel.