Reign: June 20, 1837 – January 22, 1901 Queen Victoria was ruler of the United Kingdom for 67 years, longer than any other British monarch. During her reign, the British Empire expanded to encompass one quarter of the land on the Earth, making it the largest empire ever. The United Kingdom flourished under her reign, with the Industrial Revolution taking place. Victoria lent her name to the Victorian Era, a time when the United Kingdom’s power was at its zenith.