(WMTV) -- On Tuesday, people around the world celebrated International Left-Handers Day. The day was first observed in 1976 by Dean R. Campbell, founder of the Lefthanders International, Inc.
Being left-handed is rare. Left-handed people make up roughly 10% of the world's population, according to livescience.com.
According to The Left-Handers Day Club, the day increases "public awareness of the advantages and disadvantages of being left-handed."
There are some famous left-handers, including former President Barack Obama, President Ronald Reagan, Albert Einstein, Jimi Hendrix, and Bill Gates.