This is what we found on Wikipedia regarding the Edinburgh Blues Club:

Edinburgh Rugby (formerly Edinburgh Reivers and Edinburgh Gunners) is one of the two professional rugby union teams from Scotland. The club competes in the United Rugby Championship, along with the Glasgow Warriors, its oldest rival. Edinburgh plays the majority of its home games at Edinburgh Rugby Stadium.

The original Edinburgh District team played the first ever inter-district match against Glasgow District in 1872, winning the match 3–0.

The amateur district team was reformed with professionalism, as Edinburgh Rugby, in 1996 to compete in the Heineken Cup, its best performance coming in the 2011–12 season, when the club reached the semi-final but lost out narrowly to Ulster, 22–19. The quarter-final tie against Toulouse attracted a former club record crowd of 37,881 spectators to Murrayfield. As of 2025, the attendance record stands at 40,063, achieved against Glasgow Warriors in 2024. In 2003–04 Edinburgh became the first Scottish team to reach the quarter-finals.

In the 2014–15 season, Edinburgh became the first Scottish club to reach a major European final, when they met Gloucester Rugby in the European Rugby Challenge Cup showpiece at Twickenham Stoop in London.