With Summer heating up, we've got all things beachy on the brain — especially bikinis. And did we mention that today is National Bikini Day? These teeny-tiny swimsuits have packed a lot of controversy in their history, and it's no wonder, with a name referencing the atomic bomb. Other notable moments since its inception have included beauty-queen scandals, beach volleyball cheerleaders, and a ban in Barcelona. To find out the origins of those swimsuit styles and more, we've got a look at the evolution of bathing suit culture. Check out the scandalous history of the bikini now!