The Oreo cookies were first introduced in 1912. The idea was to create a cookie consisting of two chocolate disks with a creme filling between them. Hence, the first Oreo cookies looked very similar to the ones currently available. The only slight difference is the design of the chocolate disk, which changed to what it is today in 1952.
In 1898, several baking companies merged to form the National Biscuit Company, or Nabisco, the creator of the Oreo cookies. The company came up with the cookies by stealing the idea from a competitor, but marketing it in a better way. It was 1908 when Sunshine Biscuits, Nabisco's competitor, came up with Hydrox, a cookie sandwich with two chocolate biscuits and a layer of cream in between. This product was discontinued in 2003. It took Nabisco four years to unveil the Oreo, which quickly became very popular.
In 1924 the company improved the original design, while in 1952 it changed it for the last time. The origin of the "Oreo" name still remains a mystery. There are many theories, each one interpreting the name in a different way. Nobody knows, however, the true story behind the cookie's name. Nevertheless, Oreo is the best-selling cookie of the 21st century, selling over 362 billion cookies since it first came out.