| Day Of The Sea | |  |
| World Meteorological Day | | |
| Pakistan Day | | |
| Puppy Day | | |
| National Chia Day | | |
| National Chip and Dip Day | | |
| National Near Miss Day | | |
| National Melba Toast Day | | |
| Nowruz Holiday | | |
| Birthday of the Sultan of Johor | | |
| Southern Africa Liberation Day | | |
| World Atheist Day | | |
| Memorial Day | | |
| World Tuberculosis Day | | |
| International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims | | |
| National Chocolate Covered Raisin Day | | |
| St. Joseph's Day | | |
| Otago Anniversary Day | | |
| Commonwealth Covenant Day | | |
| Nowruz Holiday | | |
| National Cocktail Day | | |
| National Cheesesteak Day | | |
| Flatmate’s Day | | |
| Greek Independence Day | | |
| International Day of Remembrance of Slavery Victims and the Transatlantic Slave Trade | | |
| International Day of Solidarity with Detained and Missing Staff Members | | |
| Feast of the Annunciation | | |
| Struggle for Human Rights Day | | |
| Independence Day | | |
| Annunciation of the Lord | | |
| International Waffle Day | | |
| Anniversary of the Arengo | | |
| National Lobster Newburg Day | | |
| National Medal of Honor Day | | |
| National Tolkien Reading Day | | |
| National American Diabetes Association Alert Day | | |
| Maryland Day | | |
| Mother’s Day | | |
| National Day of Life, Peace and Justice | | |
| Make Up Your Own Holiday Day | | |
| Prince Jonah Kuhio Kalanianaole Day | | |
| Martyrs' Day | | |
| Purple Day | | |
| National Spinach Day | | |
| National Nougat Day | | |
| National Little Red Wagon Day | | |
| Manatee Appreciation Day | | |
| Laylat al-Qadr (Night of Power) | | |
| Laylat al-Qadr | | |
| Wear A Hat Day | | |
| American Red Cross Giving Day | | |
| Armed Forces' Day | | |
| National Scribble Day | | |
| National Joe Day | | |
| National Spanish Paella Day | | |
| International Whisk(e)y Day | | |
| World Theatre Day | | |
| Quirky Country Music Song Titles Day | | |
| Children's Picture Book Day | | |
| Eat an Eskimo Pie Day | | |
| National Black Forest Cake Day | | |
| National Something On a Stick Day | | |
| Weed Appreciation Day | | |
| National Triglycerides Day | | |
| Respect Your Cat Day | | |
| Youth Day | | |
| Martyrs' Day | | |
| Smoke and Mirrors Day | | |
| Commemoration of Boganda | | |
| National Vietnam War Veterans Day | | |
| National Mom and Pop Business Owners Day | | |
| National Lemon Chiffon Cake Day | | |
| Earth Hour | | |
| World Piano Day | | |
| Nano Days | | |
| International Mermaid Day | | |
| Niagara Falls Runs Dry Day | | |
