First Kentucky Derby

First Kentucky Derby

Today, the Kentucky Derby is one of the biggest events in the horse racing world, one of the three Triple Crown races. It regularly sees crowds in excess of 50,000 people. It didn’t start off that way, of course. When the first Derby was held on May 17, 1875, it...
First successful cloning of human stem cells

First successful cloning of human stem cells

On May 16, 2013, human embryonic stem cells were successfully cloned for the first time. The success came nearly seventeen years after the birth of Dolly the sheep, the first successfully cloned mammal. While Dolly was created from an adult somatic cell, specifically...
First McDonald’s Opens in San Bernardino, CA

First McDonald’s Opens in San Bernardino, CA

On May 15, 1940, the future of fast food was born in San Bernardino, California, when the McDonald brothers opened their first restaurant. But the original McDonald’s bore very little resemblance to McDonald’s as it exists today. The original...