Happy birthday, Salvador Dalí (b. 11 May 1904 in Figueres, Spain)!

Happy Birthday, John Brown (b. on 5/9/1800)

"Whereas, Slavery, throughout its entire existence in the United States is none other than a most barbarous, unprovoked, and unjustifiable War of one portion of its citizens upon another portion; the only conditions of which are perpetual imprisonment, and hopeless servitude or absolute extermination; in utter disregard and violation of those eternal and self-evident truths set forth in our Declaration of Independence."

Happy National Hoagie Day!

Don’t even TRY to order a grinder, sub, hero, or any of that other nonsense. You’ll be sent to Hoagie Jail.

Happy birthday to the King of Surf Guitar, Dick Dale (b. 5/4/1937)!

Happy World Labyrinth Day!

https://www.worldlabyrinthday.org

First of May, First of May… you know the rest.

https://m.youtube.com/watch?v=WzZaJDg6E0A

Happy Birthday, Terry Pratchett!

Happy National Pretzel Day!

(For you casuals; *I* keep Pretzel Day in my heart all year long)

Happy Sense of Smell Day! Also,
Happy World Penguin Day!

Celebrate either, but I'm told you shouldn't celebrate both at the same time.

Happy (maybe) birthday Shakespeare!

Conjectural date of William Shakespeare's birth (baptized 4/26/1564).

"Pish! Noses, ears, and lips.
--Is't possible?--Confess--handkerchief!--O devil!--" (Othello 4.1)

I have a priori knowledge that today is Immanuel Kant’s birthday (b. 4/22/1724).

Happy birthdays to Charlotte Brontë (b. 4/21/1816) and Iggy Pop (b. 4/21/1947), two peas in a pod!

Happy birthdays to Odilon Redon (b. 4/20/1840) & Joan Miró (b. 4/20/1893)!

Happy birthday* to the Phillie Phanatic, the best mascot in baseball!

* Observed. The Phanatic debuted 4/25/1978. His birthday is celebrated on the third Sunday of April.

Happy International Bat Appreciation Day!

Happy Naming Day to all the 13-year-old aspiring God-tiers out there!

Happy(?) 8-Track Tape Day! Celebrate history's worst commercial audio format!

Happy National Unicorn Day!

Happy National Empanada Day! Celebrate responsibly!

Happy Kanamara Matsuri (かなまら祭り, "Festival of the Steel Phallus") to all who celebrate!

https://en.m.wikipedia.org/wiki/Kanamara_Matsuri