The community is in the Wabash Valley Seismic Zone. The biggest earthquake in Illinois history was the M5.4 1968 Illinois earthquake. It damaged the civic building at Henderson, Kentucky and was felt in 23 states. People in Boston said their building swayed.
Dale was laid out in about 1871 when the railroad was extended to that point. The community was named for Reuben Dale, the owner of a local mill. A post office called Dale has been in operation since 1882.
- "Dale, Illinois". Geographic Names Information System. United States Geological Survey.
- Historic Quakes:Southern Illinois 1968 11 09 17:01:40.5 UTC - usgs.gov - Retrieved September 22, 2009
- Callary, Edward (29 September 2008). Place Names of Illinois. University of Illinois Press. p. 86. ISBN 978-0-252-09070-7.
- Hamilton County, Illinois: Celebrating 175 Years. Turner Publishing Company. 1996. p. 29. ISBN 978-1-56311-298-0.
- "Hamilton County". Jim Forte Postal History. Retrieved 3 November 2015.
- (English) Official Site
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