National Bikini Day

July 5 is National Bikini Day and celebrates the anniversary of the invention of the two-piece bathing suit. Due to its risqué design, the bikini was slow to be adopted, but it gradually gained acceptance when film stars began to wear bikinis on public beaches and in their films. Incidentally, it is named after hydrogen bomb testing that was conducted at Bikini Atoll in the South Pacific during World War II.