| International Day for Preventing the Exploitation of the Environment in War and Armed Conflict | |  |
| Saxophone Day | | |
| Constitution Day | | |
| Anniversary of the Green March | | |
| National Nachos Day | | |
| National Stress Awareness Day | | |
| Wobbly Wednesday | | |
| Day of the Great October Socialist Revolution | | |
| October Revolution Day | | |
| National Bittersweet Chocolate with Almonds Day | | |
| National Canine Lymphoma Awareness Day | | |
| National Men Make Dinner Day | | |
| Return Day | | |
| International Stout Day | | |
| Thanksgiving | | |
| Chhath Puja | | |
| International Project Management Day | | |
| National Hug A Bear Day | | |
| Journalists' Day | | |
| Tongue Twister Day | | |
| Pohnpei Constitution Day | | |
| National Cappuccino Day | | |
| National Harvey Wallbanger Day | | |
| National Parents as Teachers Day | | |
| National STEM/STEAM Day | | |
| Yom HaAliyah School Observance | | |
| National Donor Sabbath | | |
| World Radiography Day | | |
| National Dunce Day | | |
| Cook Something Bold And Pungent Day | | |
| Independence Day | | |
| Night of Broken Glass Remembrance Day | | |
| Iqbal Day | | |
| Chaos Never Dies Day | | |
| National Scrapple Day | | |
| Microtia Awareness Day | | |
| National Fried Chicken Sandwich Day | | |
| World Freedom Day | | |
| Carl Sagan Day | | |
| British Pudding Day | | |
| Shout in Villa de los Santos | | |
| World Science Day for Peace and Development | | |
| Ataturk Memorial Day | | |
| Forget Me Not Day | | |
| Marine Corps Birthday | | |
| National Vanilla Cupcake Day | | |
| Remembrance Sunday | | |
| Harvest Festival | | |
| Remembrance Day | | |
| Father's Day | | |
| Grandparents' Day | | |
| Orphan Sunday | | |
| World Top Up Day | | |
| Sesame Street Day | | |
| International Accounting Day | | |
| Area Code Day | | |
| Dear Santa Letter Week | | |
| Armistice Day | | |
| Saint Martin's Day | | |
| Republic Day | | |
| Independence Day | | |
| Veterans Day | | |
| Origami Day | | |
| Independence of Cartagena | | |
| National Sundae Day | | |
| Remembrance Day | | |
| Veterans of Foreign Wars Day | | |
| Heir to the Throne's Birthday | | |
| Birthday of the Sultan of Kelantan | | |
| National Metal Day | | |
| World Orphans Day | | |
| Singles Day | | |
| Odd Socks Day | | |
| Pocky Day | | |
| Youth National Day | | |
| Sun Yat-sen's Birthday | | |
| Happy Hour Day | | |
| World Pneumonia Day | | |
| National French Dip Day | | |
| National Pizza with the Works Except Anchovies Day | | |
| National Chicken Soup for the Soul Day | | |
| Maore Day | | |
| Birthday of the Sultan of Kelantan | | |
| Fancy Rat & Mouse Day | | |
