The short answer: Mahjong was most likely invented in China between the 1850s and 1870s. No exact invention date exists, because no document records the moment. The game only became a global phenomenon in the 1920s, when it swept Japan, the United States, and Europe.
Some old mahjong sets carry a proud “since 1924” stamp — but the game is much older than that. So when was mahjong actually invented? The honest answer: nobody knows the exact year. Historians have narrowed it down, though.
Why don’t we know the exact year mahjong was invented?
Unlike chess or Go, mahjong has no birth certificate:
- The game evolved slowly from Chinese card games like Ma Diao, so there was never a single “first match” to record.
- Nineteenth-century China kept no official records of parlor games, especially outside the imperial court.
- Early Chinese writings that clearly describe the tile game appear around the 1870s, which is why experts date it to the mid-1800s.
How did mahjong go from local game to global craze?
The 1920s turned a regional pastime into a worldwide one. The timeline:
- 1920: the first English rulebook appears; within a few years, stores like Abercrombie and Fitch sell out of imported sets.
- 1920s: Japanese players adopt the game and later shape it into Riichi, with its own scoring system.
- 1937: the National Mah Jongg League forms in New York, and the yearly NMJL card tradition is born.
- Today: the game is everywhere, in person and online — you can even play Mahjong Solitaire free in your browser.
Whatever the exact date, the game born in mid-1800s China is now one of the most played in the world. Start with our guide to what mahjong is, dig into where mahjong originated, meet the people behind who invented mahjong, or don’t wait for history class — play free mahjong online right now.
Related Questions
Could mahjong be older than the 1800s?
Some writers argue yes, pointing to Ming dynasty card games that resemble mahjong. But scholars call those ancestors, not mahjong itself. The tile game as we know it fits best in the mid-1800s.
When did mahjong come to the United States?
Around 1920. Americans returning from China brought sets home, importers followed, and within a few years mahjong was a national craze.
When did Mahjong Solitaire become popular?
The solo tile-matching version reached millions of home computers in the 1990s, when Windows bundled tile-matching games. That’s how many players meet mahjong today — one tile, one match at a time.