18th century

The following events occurred in the 18th century:

Quidditch is introduced to Australia.^[1]
The game Quodpot is created by Abraham Peasegood.^[1]
Several books and documents of "dubious scholarship" are published. Drawing partially from the writing of Salazar Slytherin, these works claimed that there were several signs that would identify a pure-blood child from infancy, such as early onset of magical ability, fear or dislike of pigs and Muggles, and resistance to common childhood illnesses.^[2]
A modern and complex plumbing system is installed at Hogwarts Castle, and bathroom facilities are created. Corvinus Gaunt, a student at the time, conceals the Chamber of Secrets behind some new plumbing fixtures and a sink after learning the secrecy of the entrance to the Chamber is in jeopardy: the room it was located in was going to be turned into a girls' lavatory.^[3]
Between 1718 and 1726: Azkaban is turned into a prison by Minister for Magic Damocles Rowle.^[4]

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