In 1976 it was sunny and warm for about twelve weeks on the trot, and it did get warmer then usual, it was called a good summer with an infestation of ladybirds. 'This week it's expected to exceed 40 degrees' EXPECTED. So far its been warmer then usual for about three days. It will be thunderstorms by the week end, clear as night follows day.
As for the '3,000 heat related deaths in 1976' I bet there were more cold related deaths last winter, and probably a similar number in years before that.
But I do remember 1976 as a great summer as the sun shone for weeks and every spring since I hear people wish for a summer like 1976. Now we get a forecast of two sunny days and everyone is telling us it's a heatwave.