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20 Apr 1999 Jahr - April 20: Most Deadliest School Shooting in US

Beschreibung:

Columbine HS students killed 15 & wounded 23 ppl -> stricter safety procedures, but school shootings freq. is alarming.

Zugefügt zum Band der Zeit:

1990s Timeline Part 2

ByJulie Berichon

8 Mai 2019

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309

Datum:

20 Apr 1999 Jahr

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~ 26 years ago

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