Throw on some Aqua — March 9 is National Barbie Day! In 1959, an 11-inch tall bombshell made her debut at the American International Toy Fair in New York. Designed by Ruth Handler, the co-founder of Mattel Inc., Barbie was created to allow girls to imagine what their lives could be like in the future. She’s had a slew of careers, from a registered nurse to an astronaut. And she’s done it all with a companion. Barbie was a single lady for all of 2 years. But in 1961, overwhelming demand caused Handler to release a boyfriend for her — Ken. (Verdict’s out if he’s ever going to put a ring on it.) On National Barbie Day, we celebrate all things Barbie.