are they known colloquially by any other name?
"The Clarets"
Burnley F.C.
The club is nicknamed "the Clarets"
when were burnley promoted to the premier league 2017–18 how many league titles have they won? They have been champions of England twice,  have won the FA Cup once, and have won the FA Charity Shield twice.
wiki:13300244
Burnley F.C. [SEP] Introduction
The club is nicknamed "the Clarets", because of the dominant colour of its home shirts. Burnley's current emblem is based on the town's coat of arms. The team have a long-standing rivalry with nearby club Blackburn Rovers, with whom they contest the East Lancashire Derby.