To celebrate, here's some fun facts about left-handers.
- Three of the last four presidents, including Barack Obama, have been left-handed.
- Left-handers tend to excel in tennis, baseball, swimming and fencing.
- Some famous left-handed athletes: swimmer Mark Spitz, former Yankees Ron Guidry and Andy Pettitte, and baseball legend Babe Ruth.
- Left-handers tend to hit puberty four or five months after right-handers.
- One in four Apollo astronauts were left-handed.
More information is available online at the Left Handers Day website.
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