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The ballpoint pen was invented by László Bíró in 1938. A small invention with a long paper trail.

✓ 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.

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The ballpoint pen was invented by László Bíró in 1938. A small invention with a long paper trail. | SmartAss Facts