'Ma Yu Ching's Bucket Chicken House', located in
Kaifeng,
China, is believed to be the world's oldest
restaurant.
[1] It allegedly opened for business during the
Song Dynasty in
1153 AD.
[2] Having survived numerous wars, invasions, and dynasty changes, it still offers takeout food.
Footnotes
1. Unfortunately, the lack of verifiable documentation has kept this restaurant from being officially recognized as such by the Guinness Book of World Records
2. Stephens, John Richard, Weird History 101, p. 127