5 Facts About Eggnog You’d Be Surprised To Know5 Facts About Eggnog You’d Be Surprised To Know1. Eggnog originates from Medieval Europe, where it was consumed to cure cough and cold. 2. The milk punch made of egg, once caused a riot in New York in 1826. Today, it's called the Eggnog Riot. 3. Puerto Rico has its own Christmas drink Coquito, which is similar to Eggnog. 4. George Washington, the founding father of the USA had his own special eggnog recipe. 5. Eggnog originates from the word noggin which refers to the small wooden cup used to serve the drink.