In 1854, cholera broke out in London. Using spot maps, it was shown that the majority of cases occurred where the water pump in Broad Street was closest. However, monks within that area didn’t get cholera. Investigation showed that this was because they only drank beer, not water.
Mail was delivered 12 times a day in Victorian London, with immediate responses often expected, and people got upset if letters weren’t received within a couple of hours.
In 1952 due to unusual weather patterns, a large amount of smog from nearby Coal plants collected over London for a series of 4 days, killing an estimated 12,000 people.
In the late 1600s London was plagued by an attacker who would spank his victims with a rod and shout “Spanko!” before running away.