Many of our laws and statutes are based on centuries-old English customs and are known as common law, such as those forbidding murder and theft, as outlined by LawBrain. But others take time to develop, often through the court system, and often can be traced back to specific stories.
The divorce and custody dispute of a New York couple married in 1804, for example, set the groundwork for U.S. child custody law, according to a St. Louis Post-Dispatch article. Quite a bit has changed in the 200 years since, but the story provides a glimpse into the origins of current custody law.

