The ballpoint pen was invented by László Bíró in 1938.
✓ TRUE FACT
Bíró patented a practical ballpoint design in 1938, using quick-drying ink and a rolling ball tip. Ballpoints became widely adopted after WWII, eventually selling in the billions due to low cost and reliability.
🤯 "The ballpoint pen was invented by László Bíró in 1938. A small invention with a long paper trail."