Twitter's biggest moments so far: From the first ever tweet to Ellen's #OscarSelfie

Twitter is celebrating its 10th birthday today. Ever since co-founder Jack Dorsey sent the first tweet out into the Twittesphere ("just setting up my twttr") the social network has been at the forefront of popular culture, aggregating the world's biggest headlines via the humble hashtag.

From intergalactic tweets to Obama's second presidential win, scroll down to take a look at some of the platform's most significant moments, supplied by Twitter itself.

Ellen's DeGeneres' #OscarSelfie takes the prize for the most retweeted tweet of the past ten years, while Justin Bieber holds the record for the most mentioned person.

The most tweeted emoji of the past decade is the 'Tears of Joy' icon, which was voted Oxford dictionary's Word of the Year for 2015 and has been used by tweeters 14.5bn times.

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Rebecca Stewart

Rebecca Stewart is a reporter at The Drum with a remit to cover the latest developments in social media marketing and wider industry news. Based in Glasgow, she has interviewed key figures from brands like Airbnb, Amnesty International, Facebook and Spotify. She has covered international events in Berlin and Amsterdam, as well as Advertising Week Europe.

All by Rebecca