NATIONAL BIKINI DAY - July 5 Since July 5, 1946, women have been hitting the beaches and poolsides in bikinis. National Bikini Day marks the anniversary of the invention of the revealing two-piece bathing suit. By National Day Calendar January 22, 2016
NATIONAL FLIP FLOP DAY - Third Friday in June Each year on the third Friday in June, National Flip Flop Day encourages us to wear our favorite flip flops and show them off! By National Day Calendar June 12, 2014