August 13, 1976 — Dean R. Campbell, founder of Lefthanders International, Inc., declares the first International Left Handers Day. The goal: raise awareness about the everyday frustrations left-handers face and celebrate their unique perspective.
1980s–1990s — The movement grows. Lefthanders International begins publishing "The Left-Hander" magazine and ships information packets to educators, parents, and workplaces around the world. Left-handed products start appearing in specialty shops.
1992 — The UK-based Left-Handers Club relaunches Left Handers Day with public events, product showcases, and media campaigns, bringing it to global attention.
2000s–2010s — Social media transforms the day into a worldwide trending event. Hashtags like #LeftHandersDay and #SouthpawPride go viral. Brands, athletes, and public figures join in, sharing their left-handed stories.
Today — What started as a single awareness day is now a year-round conversation about inclusivity, design equity, and the unique strengths of left-handed people. The Lefthanded Foundation continues this legacy, turning a day into a movement.