(danielars/Flickr Creative Commons)

The most mentions was a little after 8:30 p.m., when the official Buckingham Palace announcement came, with around 25,300 tweets per minute, reports The Daily Beast.

Since Kate was admitted the hospital the hashtag #RoyalBaby was used more than 900,000 times. The hashtags #RoyalBabyBoy and #RoyalBabyWatch were also frequently used.

Reach Executive Producer Hannah Madans here.