A destructive tornado outbreak affected much of the Midwestern United States on April 21, 1967, in particular the towns of Belvidere and Oak Lawn, Illinois, United States. It was the largest tornado outbreak of 1967 and has been described by NWS Chicago as "Northern Illinois' worst tornado disaster". The outbreak produced numerous and significant (F2+) tornadoes, with ten of them in Illinois alone. Included was one of just six documented violent (F4/F5) tornadoes in the Chicago metropolitan area since the area was first settled.
A tornado outbreak in Illinois, United States, kills over 50 and injures over 1,000
A tornado outbreak in Illinois, United States, kills over 50 and injures over 1,000. Belvidere sustains over 500 casualties as a violent tornado strikes the high school. Another tornado near Chicago causes another 500 casualties, devastating Oak Lawn.
On April 21, in the year 1967, A tornado outbreak in Illinois, United States, kills over 50 and injures over 1,000. Belvidere sustains over 500 casualties as a violent tornado strikes the high school. Another tornado near Chicago causes another 500 casualties, devastating Oak Lawn. This event is recorded as a Historical Events event in the history of April 21, one of 329 recorded events on this date across all of history.
Key Facts
- This event took place on April 21, 1967 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 6 Wikipedia articles.
- Wikipedia source last updated on 23 December 2025.
On This Date in History 329
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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