Columbine By 12ajmijal Mar 6, 1998 dy;an got his first tec 9 Nov 22, 1998 eric aquired and named his shotgun arlene Nov 23, 1998 eric started makeing bombs Feb 7, 1999 Dylan decided to join eric in the shooting Apr 20, 1999 the shooting the school shooting happened Jul 14, 1999 Patrick Irland walked out of the hospital Aug 3, 1999 Columbine was set to reopen Oct 18, 1999 a new roumer beganone of eric and dylans friends said they were going to finish the job Oct 20, 1999 450 kids called in sick and more drifed out during the day, by the end of the day more then half the kids were gone Oct 20, 1999 six month mark Oct 21, 1999 cops raided the kids house who started the rumor and had to make and apperence in juvenil court Nov 2, 1999 Cherry creek vs. Columbine high football were in the state championship Nov 20, 1999 Mark Manes, (who sold the TEC 9 to the shooters) was senteced to nine years May 1, 2000 brian rohrbough wanted everything released May 15, 2000 all tapes were released as ordered providing minute by minute timeline of the shooting