1981 United Kingdom tornado outbreak
The 1981 United Kingdom tornado outbreak is regarded as the largest recorded tornado outbreak in European history, and is tied with the tornado outbreak of 22–24 November 2004 as the largest November tornado outbreak globally. In the span of 5 hours and 26 minutes during the late morning and early afternoon of 23 November 1981, 104 confirmed tornadoes touched down across Wales and central, northern and eastern England.
Source: Wikipedia — 1981 United Kingdom tornado outbreak (CC BY-SA 4.0)