Happy 90th Birthday, Queen Elizabeth!
British prime minister calls Queen Elizabeth II "a rock for our nation" as the monarch celebrates 90th birthday. https://t.co/okFywUPmlc— The Associated Press (@AP) April 21, 2016
Do you know all 90 of these facts about Queen Elizabeth II? https://t.co/y0Uaov07NX— Sky News (@SkyNews) April 21, 2016
A touch of humor: