PBS says that a 0.7C rise in global temperature over the last 150 years is worse than this:
Note that this guy doesn’t have the same smug look as the feminine hygiene product narrator in the video above.
By the mid-18th century smallpox was a major endemic disease everywhere in the world except in Australia and in several small islands. In Europe smallpox was a leading cause of death in the 18th century, killing an estimated 400,000 Europeans each year. Through the century smallpox resulted in the deaths of perhaps 10% of all the infants of Sweden every year, and the death rate of infants in Russia may have been even higher