26.03.1910
foundation as Grane Fotballklubb
06.09.1910
renaming to Grane Sportsklubb
05.11.1945
merger with Sandvika AIL and Sandvika IL and renaming to Grane - Sandvika
18.12.1946
renaming to Idrettslaget Mode (after the previous name was not approved)
21.04.1969
renaming to Bærum Sportsklubb