2003 had the hottest heatwave on record in Europe. 70.000 people died. https://en.m.wikipedia.org/wiki/2003_European_heat_wave
What about the very many hot summers that are recorded in 350 years of records that pre date the industrial revolution and therefore CO2 emmissions.
The hottest June on record is 1846...
Have you ever taken even a single moment to actually research your point of view?
https://en.wikipedia.org/wiki/History_of_climate_change_scie...