*[[Wikipedia:1940|1940]] to [[Wikipedia:1945|1945]]: [[Gellert Grindelwald|Grindelwald]]'s [[Global wizarding war|Revolution]].{{Fact}}
*[[Wikipedia:1940|1940]] to [[Wikipedia:1945|1945]]: [[Gellert Grindelwald|Grindelwald]]'s [[Global wizarding war|Revolution]].{{Fact}}
*[[Wikipedia:1943|1943]]: [[Tom Riddle]] opens the [[Chamber of Secrets]]. Several students get injured, [[Myrtle|Moaning Myrtle]] gets killed by the Basilisk. Hagrid is framed for the attacks by Riddle and is expelled.<ref>[[Harry Potter and the Chamber of Secrets]]</ref>
*[[Wikipedia:1943|1943]]: [[Tom Riddle]] opens the [[Chamber of Secrets]]. Several students get injured, [[Myrtle|Moaning Myrtle]] gets killed by the Basilisk. Hagrid is framed for the attacks by Riddle and is expelled.<ref>[[Harry Potter and the Chamber of Secrets]]</ref>
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*[[Wikipedia:1943|1943]]: Tom Riddle [[Murder of the Riddle family|murders]] his father, [[Tom Riddle Sr.]] and his grandparents, for the abandoning of his late mother, [[Merope Gaunt]]. His uncle, [[Morfin Gaunt]] is framed for the attacks by Riddle and is sent to [[Azkaban]]. {{Fact}}
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*Summer, [[Wikipedia:1943|1943]]: Tom Riddle [[Murder of the Riddle family|murders]] his father, [[Tom Riddle Sr.]], and his grandparents, [[Thomas Riddle|Thomas]] and [[Mary Riddle]], for the abandoning of his late mother, [[Merope Gaunt]]. His uncle, [[Morfin Gaunt]] is framed for the attacks by Riddle and is sent to [[Azkaban]]. {{Fact}}
*[[Wikipedia:1945|1945]]: Tom Riddle graduates from Hogwarts School of Witchcraft and Wizardry.{{Fact}}
*[[Wikipedia:1945|1945]]: Tom Riddle graduates from Hogwarts School of Witchcraft and Wizardry.{{Fact}}
*[[Wikipedia:1945|1945]]: [[Albus Dumbledore]] defeats [[Gellert Grindelwald]], who is sentenced to life in [[Nurmengard]].{{Fact}}
*[[Wikipedia:1945|1945]]: [[Albus Dumbledore]] defeats [[Gellert Grindelwald]], who is sentenced to life in [[Nurmengard]].{{Fact}}
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*[[1 September]], [[Wikipedia:1946|1946]]: [[Minerva McGonagall]] starts attending [[Hogwarts School of Witchcraft and Wizardry]], and proves to be a [[Hatstall]] during her [[Sorting ceremony|Sorting]].
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*[[1 September]], [[Wikipedia:1946|1946]]: [[Minerva McGonagall]] starts attending [[Hogwarts School of Witchcraft and Wizardry]], and proves to be a [[Hatstall]] during her [[Sorting ceremony|Sorting]].[[File:1943RiddleHouseCalendar.png|thumb|right|200px|A calendar for August of 1943, in the abandoned [[Riddle House]] in the [[1990s]].]]
*[[Wikipedia:1946|1946]]: Tom Riddle murders [[Hepzibah Smith]], stealing artefacts of [[Helga Hufflepuff]] and [[Salazar Slytherin]] {{Fact}}
*[[Wikipedia:1946|1946]]: Tom Riddle murders [[Hepzibah Smith]], stealing artefacts of [[Helga Hufflepuff]] and [[Salazar Slytherin]] {{Fact}}
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*[[Wikipedia:1947|1947]]: The [[Werewolf Register]] is introduced.{{Fact}}
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*[[Wikipedia:1947|1947]]: The [[Werewolf Register]] is introduced.<ref>''[[Fantastic Beasts and Where to Find Them (real)]]'' - Chapter 1 (''About the Author'')</ref>
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*[[Wikipedia:1947|1947]]: ''[[A History of Magic]]'' by [[Bathilda Bagshot]] is first published.{{Fact}}
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*[[Wikipedia:1947|1947]]: ''[[A History of Magic]]'' by [[Bathilda Bagshot]] is first published.<ref>''[[Fantastic Beasts and Where to Find Them (real)]]'' - Chapter 3 (''A Brief History of Muggle Awareness of Fantastic Beasts'')</ref>
*<span style="line-height:21px;">A [[fanged gerbil]] was found to have been put into </span>[[Augusta_Longbottom|Augusta Longbottom]]<span style="line-height:21px;">'s handbag as a joke by </span>[[Neville Longbottom's grandfather|her husband]]<span style="line-height:21px;">.</span>
*<span style="line-height:21px;">A [[fanged gerbil]] was found to have been put into </span>[[Augusta_Longbottom|Augusta Longbottom]]<span style="line-height:21px;">'s handbag as a joke by </span>[[Neville Longbottom's grandfather|her husband]]<span style="line-height:21px;">.</span>
*[[Wikipedia:1949|1949]]: A [[hippocampus]] is caught by [[Merpeople]] off the coast of Scotland.{{Fact}}
*[[Wikipedia:1949|1949]]: A [[hippocampus]] is caught by [[Merpeople]] off the coast of Scotland.{{Fact}}
According to the mini-adventure The Queen's Handbag, Augusta Longbottom, grandmother of Neville Longbottom, was the victim of a prank by her husband involving her handbag and a fanged gerbil in 1947, leading her to booby-trap her handbags from then on (leading to some pain for Ron Weasley). The Queen's Handbag breaks from canon in several places (not least of which by being set in 2006), so therefore whether anything included in the adventure actually counts as continuity is a matter of debate. This piece of information regarding Longbottom is listed here, however, as the only piece of new Potter Universe backstory offered in the mini-adventure.