- August 11
- 1866 – The Kansas Pacific Railroad tracks reach Manhattan, Kansas, where westward progress stalls while a bridge is built across the Big Blue River.
- 1919 – Andrew Carnegie (pictured), steel magnate and owner of Pittsburgh Locomotive and Car Works, dies (b. 1835).
- 1939 – C. P. Couch succeeds his brother Harvey C. Couch as president of Kansas City Southern Railway.
- 1995 – The first fatal accident on Toronto's subway system, under the auspices of the Toronto Transit Commission, the Russell Hill subway accident, claims three lives.
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