1876: A tornado, estimated at F3 intensity, tracked four miles across Chicago, Illinois. The damaged buildings included a candy factory, a hospital, a freight depot, and a church. The tornado moved out over Lake Michigan and was observed to have multiple vortices by a reporter. Further south in Illinois, a tornado blew a moving passenger train off the tracks near Neoga, injuring all 19 people aboard.
Source: Chicago Tribune.
1937: The German passenger airship LZ 129 Hindenburg caught fire and was destroyed during its attempt to dock with its mooring mast at Naval Air Station Lakehurst in Manchester Township, New Jersey, United States. Of the 97 people on board (36 passengers and 61 crewmen), there were 35 fatalities (13 passengers and 22 crewmen). One worker on the ground was also killed, making a total of 36 deaths. The Hindenburg was delayed two hours from docking due to thunderstorms in the area.
The Zeppelin LZ 129 Hindenburg was catching fire on May 6, 1937, at Lakehurst Naval Air Station in New Jersey.
1975: A massive tornado hit Omaha, Nebraska killing three persons, injuring 133 others, and causing over 250 million dollars damage. The tornado struck during the late afternoon moving northeastward through the industrial and residential areas of west central Omaha and lifting over the northern section of the city. The twister, which cut a swath ten miles long and as much as a quarter of a mile wide. It was the most costly in U.S. history up till that time.
Source: NWS Office in Omaha, Nebraska.