Trivia: Einstein shares a birthday with what holiday?
Christmas
Halloween
Pi Day
Groundhog Day
The correct answer is Pi Day
So why is this answer correct? : March 14 is Pi Day, in honor of the mathematical constant pi. (The first three digits of pi are 3.14 — hence, Pi Day is observed on 3/14.) The date is also significant for another reason, though: It’s Einstein’s birthday. Einstein was born on March 14, 1879, in Ulm, Germany. Pi Day wasn’t officially celebrated until much later — the first known observance was in 1988 — but today the two occasions go hand-in-hand.