104 years ago on March 6, the National Biscuit Company, now Nabisco, introduced the 'Oreo Biscuit', which later changed its name to 'Oreo Sandwich', 'Oreo Creme Sandwich', and finally 'Oreo'. To honor the anniversary, today is National Oreo Cookie Day. People are celebrating on social media with a tall glass of milk, sharing several methods to eat the cookie. Some prefer eating the cookie whole, breaking it apart, eating the cream first, the strategies are endless, causing much debate online. Regardless, it's National Oreo Cookie Day, so there's no wrong way to eat an Oreo!