Date When Celebrated : Always October 11 th
It’s My Party Day is today. Let’s have a party and celebrate. Do you really need a reason to have a party? Me neither, so let’s get this party started!

What a great opportunity to have some fun. It’s a party day. You can make it simple, or elaborate. Invite family and friends. Being mid-October, a Fall or Halloween theme is in order. So whether it’s to de-stress, you made it through the week, or just an excuse to get together, make it a good time. It’s your party after all.
Did you Know? Teen star Lesley Gore sang #1 pop music song It’s My Party in May, 1963. At the time, Lesley was just 16.

It’s My Party (Single Version)
Lesley Gore
Life is too short. Today is It’s My Party Day. So, let’s party on into the night!
Origin of It’s My Party Day:
Our research did not find the creator, or the origin of this day.
We suspect there is some link to pop star Lesley Gore’s 1963 song It’s My Party. It’s only a hunch. We did not find any supporting documentation. And, the song was a #1 hit in May, 1963 (not October).
This day in History
Space Shuttle Challenger astronaut Kathryn Sullivan became the first American woman to walk in space. (1984)