Happy birthday, Twitter. The popular social network is turning eight years old. And the company is encouraging everyone on Twitter to take a look back at their very first tweet -- or anyone else’s, for that matter.

Ready? You can see your own first tweet by clicking here. Twitter encourages everyone to share your inaugural tweet with hashtag #FirstTweet.

In the meantime, take a stroll down memory lane with some first tweets with a few people of note: