Mark your calendar: September 1, 2027 is World Letter Writing Day.

Mark your calendar: September 1, 2026 is World Letter Writing Day.

World Laughter Day is celebrated on May 2, 2027.

It's World Laughter Day on May 3, 2026.

World Kidney Day is observed on March 9, 2027.

March 9, 2026 brings World Kidney Day during spring.

It's World Jump Day on July 20, 2027.

It's World Jump Day on July 20, 2026.

April 26, 2027 brings World Intellectual Property Day — one of spring's more delightful excuses to celebrate.

Did you know April 26, 2026 is World Intellectual Property Day?