1991 — WEEI, then at 590 AM, becomes an all-sports station.
1998 — Entercom buys WEEI from CBS-owned American Radio Systems.
2005 — The Celtics and Entercom agree
to broadcast games on WRKO and WEEI.
2006 — WEEI and the Red Sox sign
a $200 million, 10-year deal to broadcast games.
2007 — WEEI brings in $44.2 million in advertising revenue as the Sox win their second World Series in four years.
2009 — CBS launches 98.5 The Sports Hub. It will eventually outpace WEEI in the ratings.
2011 — WEEI begins simulcasting AM programming on 93.7 FM, a former pop rock station.
October 2012 — WEEI begins broadcasting exclusively on 93.7 FM.
Aug. 16, 2013 — Entercom fires WEEI program director Jason Wolfe.
Aug. 20, 2013 — WEEI announces it will no longer carry Celtics games.
SOURCE: Globe archives