July 1901 was the second hottest July in the US.
During July 1901, Arizona, Missouri, Oklahoma, Arkansas, Illinois, Indiana, Utah, Kansas, Wisconsin, Iowa, Montana, Nebraska, Tennessee and Texas were over 110F and all but six states were over 100F.
Logan, Iowa had nineteen consecutive days above 100F from 7/8/1901 to 7/26/1901, which was Iowa’s record.
The heat drove James Kincaid to suicide on his wedding eve.
26 Jul 1901, 3 – Evening Times-Republican at Newspapers.com
26 Jul 1901, 1 – The Courier at Newspapers.com
Scientists blamed the 1901 heat on the sun.
24 Jul 1901, Page 1 – The Capital Journal at Newspapers.com
24 Jul 1901, 2 – The Weekly Sentinel at Newspapers.com
24 Jul 1901, 1 – Davenport Weekly Republican at Newspapers.com
Later in July 1901, the heatwave expanded to Europe