In the world's biggest gambling hub of Macau, about 900,000 visitors swarmed narrow cobblestoned streets, many to punt in dozens of glitzy casinos, while others took selfie photographs at historic spots such as Senado Square.
Nevertheless, the 17th Century French game of vingt-et-un is universally agreed upon as the direct antecedent of modern blackjack. The main contenders are France's quinze (early 1500s), Spain's trente-un (1570), and Spain's ventiuna (1601).