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50th anniversary: About 4,200 people took part in the first modern Chicago Marathon

Sat, September 25, 2027

in 11 mo

Source

In 1977, About 4,200 people took part in the first modern Chicago Marathon.

Source, method and history
Source
Wikipedia
How we know
Wikipedia "On this day" selected anniversary, 50 years (1977 to 2027).
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annual
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None recorded.