The 1st American versions of flip-flops came to us after WWII and were modeled after the Japanese style Zori. But it wasn't until after the Korean War in the 1950s that they gained popularity. They defined an informal lifestyle and eventually represented the Californian look and even more specifically, the California surfing culture... And I for one, couldn't be happier about it.
Thank you, Ancient Egyptians. Your design has stood the test of time and I am forever grateful.