1899–1900 Rugby Union County Championship

The 1898–99 Rugby Union County Championship was the 12th edition of England's premier rugby union club competition at the time. Durham won the competition for the first time defeating Devon in the final.

1899–1900 Rugby Union County Championship

The 1898–99 Rugby Union County Championship was the 12th edition of England's premier rugby union club competition at the time. Durham won the competition for the first time defeating Devon in the final.