It's Star Wars Day! Whether you're celebrating the 20th anniversary of "Revenge of the Sith" or just adore Baby Yoda, here's how to mark May the 4th.

Star Wars Day is an unofficial holiday celebrated every year on May 4 — as in, "May the 4th" (as in, "May the Force be with you"). And every year, we see retailers release limited-time discounts and product launches in honor of the geeky occasion.

Star Wars Day is the informal holiday that honors George Lucas’ ever expanding cinematic universe. Observed annually on May 4, the date originated from the pun “May the Fourth be with you,” based on the movie’s catchphrase “May the Force be with you.