The team was led by head coach Larry Kennan and played its home games at Wembley Stadium in London, England.
They finished the regular season in first place of the European Division with a league-best record of nine wins and one loss, which came in the last regular season game against the Barcelona Dragons.
The unexpected loss eliminated the third European team, Frankfurt Galaxy, from the play-offs.
In the postseason, the Monarchs faced the New York/New Jersey Knights for a third time and a third win.
After this semifinal was hosted away as Wembley was occupied with a soccer game, the Monarchs captured the first World League championship at Wembley with a shut-out win over the Barcelona Dragons in World Bowl '91.