1941 - Major Air Raid on Portsmouth
10th January. Air raid lasted from 7-30 until 2 in the morning. The City and Dockyard very badly hit with much damage, numerous fires and large numbers of casualties. Between 11th May and 23rd October 1940, Portsmouth suffered 30 attacks by enemy aircraft. The worst air raids on the City were on the night of 10 & 11th January 1941 when 300 raiders dropped 25,000 incendiary bombs leaving 28 major and 2,314 other fires.
The last air raid was in May 1944.