The custom dates back at least to the late 18th century, being recorded in 1803, and continued until 1909.
The custom dates back longer than indicated, to the time of Moses, about 3,500 years.
The Peabody is probably best known for a custom dating back to the 1930s.
The custom of keeping ducks in the lobby fountain may date back even further than the 1930s.
It was a German custom dating from the late 18th Century.
"Odd things, they were used in some custom dating back to the Crusades."
The custom of giving and receiving finger rings dates back over approximately 6,000 years.
The custom dates back to centuries when the monarch and Parliament were on less cordial terms.
Andrew's Dole is a British custom dating from 1605.
It's an old custom dating back to the first persecution of witches and sorcerers.