Question

What is the origin of British common law?

Answer 1

It was created in the period after the Norman Conquest of 1066.

Answer 2

The English common law originated in the early Middle Ages in the King's Court (Curia Regis), a single royal court set up for most of the country at Westminster, near London. ... The common law of England was largely created in the period after the Norman Conquest of 1066.