24 holidays and events were initiated worldwide in 2025.
| Initial Date | Event Name | Registrar or Proponent |
|---|---|---|
| Jan 1 | National Store Brands Month | |
| Jan 2 | Butter Substitute Day | |
| Jan 6 | Creole Cuisine Day | |
| Jan 8 | Swiss Water Decaf Day | |
| Jan 10 | Mike Evans Day (Florida) | |
| Jan 10 | Supreme Court of New Mexico Day (New Mexico) | |
| Jan 13 | BluePit Pitch Day | |
| Jan 15 | Big Dudes Big Foods Day | |
| Jan 17 | National MAHA Day | |
| Jan 17 | P2Ppit Pitch Day | |
| Jan 17 | World Waterfowl Day | |
| Jan 19 | National Imagination Day | National Day Calendar |
| Jan 19 | World Luge Day | |
| Jan 20 | Liberation Day | |
| Jan 20 | National Paleontology Day (Peru) | |
| Jan 21 | National Check Your Coverage Day | National Today |
| Jan 21 | World Working Dog Day | |
| Jan 27 | Global Crayola Creativity Week | National Day Calendar |
| Feb 16 | 2p16.3 Deletion Awareness Day | |
| Feb 16 | SoulAce Day | |
| Feb 20 | Heart Recovery Awareness Day | |
| Mar 5 | Movement Hour (UK) | |
| Mar 21 | World Day of Glaciers | |
| Jun 1 | Toxic Environment Awareness Month |
