1.Muse's "Uprising" continued its long run atop the alt-rock charts.
2.While Kesha's iconic bop, "Tik Tok," was the No. 1 song in the country.
3.Speaking of Kesha, she also had one of the No. 1 albums in the country that month with her debut album, Animal.
4.Other No. 1 albums that month included Vampire Weekend's Contra and Susan Boyle's huge debut album, I Dreamed A Dream.
5.Kanye Westannounced he was returning to the studio and urged his fans to "soak in positive forces and look down upon those who masquerade as truth tellers."
6.Dozens of celebrities participated in the Hope for Haiti Now: A Global Benefit for Earthquake Relief, a telethon that helped raise money for Haiti, following the devastating earthquake that struck the country earlier that month.
7.Lionel Richie and Quincy Jones announced they would remake their song "We Are the World" (with all new singers) to benefit Haiti.
8.Johnson & Johnson heiress, Casey Johnson, died at age at 30.
9.It was announced that Sam Mendes would direct the next James Bond film (which would be Skyfall) and was met with skepticism.
10.Jerry Seinfeldannounced he would be returning to NBC with a new show called The Marriage Ref.
11.Conan O'Brien hosted his final episode of The Tonight Show after being at the job for less than a year.
12.It was announced that Blake Lively would star opposite Ryan Reynolds in the Green Lantern.
13.Russell Brand confirmed that he was engaged to Katy Perry.