| April
9, 1981 |
Eric
David Harris born in Wichita, Kansas. |
| September
11, 1981 |
Dylan
Bennett Klebold born in Denver, Colorado. |
| 1993 |
Harris
moved to Littleton, Colorado, with his family. |
| January
30, 1998 |
Harris
and Klebold arrested for breaking into a van and
stealing electronic equipment. |
| March
19, 1998 |
Jefferson
County Sheriff's Office received a complaint about
a hate-filled message on Harris' website. |
| March
25, 199 |
Harris
began Juvenile Diversion Program. |
| April
14, 1998 |
Klebold
began Juvenile Diversion Program. |
| December
1998 |
Klebold,
Harris, and an older friend, Robyn Anderson, went
to a gun show; Anderson purchased three guns for
the boys. |
| January
1999 |
Harris
and Klebold illegally purchased a TEC-DC9 semi-automatic
from mark Manes, an acquaintance from Blackjack Pizza. |
| January
20, 1999 |
Klebold
completed his Juvenile Diversion Program requirements. |
| February
3, 1999 |
Harris
completed his Juvenile Diversion Program requirements. |
| Early
April 1999 |
Klebold
toured the University of Arizona's Tucson campus
with his father and placed a deposit on a dorm for
the fall term; Harris is informed that the Marines
will not accept him because he is taking Luvox, an
antidepressant medication. |
| April
17, 1999 |
Klebold
attended his senior prom with Robyn Anderson; Harris
did not. |
| April
20, 1999 |
| 11:14-11:17
a.m. |
Harris
and Klebold carry bombs into the school and plant
them in the cafeteria. |
| 11:17
a.m. |
The
cafeteria bomb, set to go off at this time, fails. |
| 11:19
a.m. |
With
a shout of "Go! Go!," Klebold and Harris start shooting
from the top of the stairs leading into the west
side of Columbine High School. |
| 11:21
a.m. |
Report
comes into Jefferson County dispatch of an explosion
in a field at Elmhurst Drive and Wadsworth Boulevard.
The bomb was placed there by Harris and Klebold in
the hope it would divert authorities there and away
from the school. |
| 11:23
a.m. |
The
first 911 call comes into sheriff's dispatch from
the school. |
| 11:25
a.m. |
First
police car pulls up to school. |
| 11:27
a.m. |
A
pipe bomb goes off in the cafeteria, scattering students
and sending smoke billowing through the room. |
| 11:27
a.m. |
Harris
and Klebold enter the library. |
| 11:30
a.m. |
Officers
block access to Columbine campus. |
| 11:34
a.m. |
The
gunmen fire the last shot that kills a victim in
the library. |
| 11:36
a.m. |
Harris
and Klebold leave the library. |
| 11:44
a.m. |
Harris
and Klebold go to the cafeteria and shoot at their
large bombs but fail to set them off. |
| 11:47
a.m. |
Another
pipe bomb goes off in the cafeteria. |
| Noon |
Harris
and Klebold leave the cafeteria and later return
to the library, where they commit suicide. |
