Some historians contend that the game originated from the 19th-century Chinese card game "Kong.". Some contend that it shares similarities with the Ebest uk slots sitesuropean game "Loo" or even the Mexican game "Concentration.". Whatever its exact origins, rummy as we know it today started to develop in the early 1900s. When people were looking for inexpensive entertainment during the Great Depression, the game's popularity skyrocketed in the US in the 1930s.