Where did the dominoes originate before spreading throughout the spanish-speaking world?

The dominoes are believed to have been originated in China during the 12th century before it was spread throughout the Spanish-speaking world. The word domino is thought to have been originate from the original appearance of the dice, black dots on white background. the black dots on the a white background reminds of the domino worn by Christian priests.This game is usually played by two or even more persons that each has twenty-eight pieces of oblong ivory, plain at the back. When it is played by, the agreed highest score is twelve. A very important tip in playing this game is to eliminate first the heavy pieces like double six, four and five.