NASCAR Day is celebrated on May 15, 2026.

May 15, 2026 brings Peace Officers Memorial Day — one of spring's more delightful excuses to celebrate.

May 15, 2026 brings Plant a Lemon Tree Day, and yes, it's absolutely worth celebrating.

Mark your calendar: May 16, 2026 is Children's Day UK.

May has a surprise: Culture Freedom Day lands on May 16, 2026.

May has a surprise: Day of Arafah lands on May 16, 2026.

May has its own delicious reason to celebrate: BBQ Day lands on May 16, 2026.

Mark your calendar: May 16, 2026 is Biographer's Day.

May 16, 2026 brings Coquilles Saint Jacques Day — one of spring's more delightful excuses to celebrate.