| Public Domain Day | |  |
| National Science Fiction Day | | |
| Women Rock! Day | | |
| Pop Music Chart Day | | |
| Tom Thumb Day | | |
| National Screenwriters Day | | |
| National Argyle Day | | |
| International Choreographers Day | | |
| Cuckoo Dancing Week | | |
| World Sketchnote Day | | |
| Popeye Day | | |
| Artist As Outlaw Day | | |
| National Disc Jockey Day | | |
| National Kazoo Day | | |
| Yodel For Your Neighbors Day | | |
| National Inspire Your Heart With Art Day | | |
| An Affair To Remember Month | | |
| Play Your Ukulele Day | | |
| National Day the Music Died Day | | |
| Opera Day | | |
| National Get Out Your Guitar Day | | |
| National Floral Design Day | | |
| Marching Band Day | | |
| International Bagpipe Day | | |
| Alfred Hitchcock Day | | |
| Hufflepuff Pride Day | | |
| Slytherin Pride Day | | |
| Gryffindor Pride Day | | |
| Quirky Country Music Song Titles Day | | |
| World Theatre Day | | |
| International Mermaid Day | | |
| Smoke and Mirrors Day | | |
| World Piano Day | | |
| International Guitar Month | | |
| National Jazz Appreciation Month | | |
| National Poetry Month | | |
| National Film Score Day | | |
| First Contact Day | | |
| National Cherish an Antique Day | | |
| National Barber Shop Quartet Day | | |
| National Eight Track Tape Day | | |
| National Anime Day | | |
| National Haiku Poetry Day | | |
| Nothing Like A Dame Day | | |
| National Talk Like Shakespeare Day | | |
| World Burlesque Day | | |
| Clean Comedy Day | | |
| National Superhero Day | | |
| International Jazz Day | | |
| National Bugs Bunny Day | | |
| International Drum Month | | |
| National Chamber Music Month | | |
| 45 Day | | |
| International Tuba Day | | |
| National Star Wars Day | | |
| Free Comic Book Day | | |
| National Cartoonists Day | | |
| Revenge Of The Fifth | | |
| National Twilight Zone Day | | |
| World Belly Dance Day | | |
| Top Gun Day | | |
| World Fiddle Day | | |
| Talk Like Yoda Day | | |
| Sherlock Holmes Day | | |
| National Tap Dance Day | | |
| Towel Day | | |
| World Dracula Day | | |
| National Drive In Movie Day | | |
| National Donald Duck Day | | |
| Superman Day | | |
| World Tessellation Day | | |
| National Garfield the Cat Day | | |
| Make Music Day | | |
| National Day of the Gong | | |
| World Music Day | | |
| Global Beatles Day | | |
| International Reggae Day | | |
| Alice In Wonderland Day | | |
| National Tattoo Day | | |
| Uncommon Instrument Awareness Day | | |
| Uncommon Musical Instrument Day | | |
| National Spider-Man Day | | |
| Rounds Resounding Day | | |
| International Sailor Moon Day | | |
| Odie Day | | |
| Vlogging Day | | |
| National Vinyl Record Day | | |
| National Bad Poetry Day | | |
| Poet’s Day | | |
| International Strange Music Day | | |
| The Duchess Who Wasn't Day | | |
| National Power Rangers Day | | |
| Frankenstein Day | | |
| Classical Music Month | | |
| National Piano Month | | |
| National Grandma Moses Day | | |
| Actors’ Day | | |
| Star Trek Day | | |
| Batman Day | | |
| International Country Music Day | | |
| Hobbit Day | | |
| World Bollywood Day | | |
| Binge Day | | |
| National Comic Book Day | | |
| National One-Hit Wonder Day | | |
| Morning Show Hosts Day | | |
| International Podcast Day | | |
| International Thunderbirds Day | | |
| Rumi Day | | |
| International Music Day | | |
| Global James Bond Day | | |
| National Mad Hatter Day | | |
| National Hug A Drummer Day | | |
| National I Love Lucy Day | | |
| National TV Talk Show Host Day | | |
| International Artist Day | | |
| Punk For A Day Day | | |
| World Day for Audiovisual Heritage | | |
| International Animation Day | | |
| World Ballet Day | | |
| Saxophone Day | | |
| Sesame Street Day | | |
| National Metal Day | | |
| National Hug A Musician Day | | |
| Symphonic Metal Day | | |
| National Drummer Day | | |
| Clarinet Day | | |
| Mickey Mouse Birthday | | |
| World Television Day | | |
| Pins And Needles Day | | |
| World Techno Day | | |
| National Violin Day | | |
| National Emo Day | | |
| Go Caroling Day | | |
| International Dalek Remembrance Day | | |
| Festivus | | |
| National Short Film Day | | |
