This document provides a brief history of nursery rhymes, discussing their origins in medieval times and how they were used to teach concepts and morals to children. It references several well-known nursery rhymes like "London Bridge is Falling Down" and "Mary Had a Little Lamb" and hints that the rhymes relate to historical events like the plague and kings and queens of England. The document suggests nursery rhymes have been passed down over generations and continue teaching children today.