Bunny Sterling became the first immigrant to win a British title. He was born in Jamaica

Jamaica

Jamaica is an island nation of the Greater Antilles, in length, up to in width and 10,990 square kilometres in area. It is situated in the Caribbean Sea, about south of Cuba, and west of Hispaniola, the island harbouring the nation-states Haiti and the Dominican Republic...

.

Managed by George Francis, he won the British and Commonwealth middleweight titles on September 8, 1970 at Wembley Stadium

Wembley Stadium

The original Wembley Stadium, officially known as the Empire Stadium, was a football stadium in Wembley, a suburb of north-west London, standing on the site now occupied by the new Wembley Stadium that opened in 2007...

 in London, knocking out

Knockout

A knockout is a fight-ending, winning criterion in several full-contact combat sports, such as boxing, kickboxing, Muay Thai, mixed martial arts, Karate and others sports involving striking...

Mark Rowe in the fourth round.

Sterling fought for the first time as a professional in his hometown, Jamaica, on July 29, 1972 to a 10 round draw with the local boy Roy Lee. He retired in 1978.

Boxing Historian, Harding regarded black boxers such as Bunny Sterling as "revolutionary in the sport" due to the principal that by the 1970s, black boxers were reorienting the sport.
Sterling who had moved to Britain in 1954 with his parents, was granted entitlement to fight under the BBBC rules.