Editing 1922 (section)

===January===
{{Main|January 1922}}
[[File:Insulincrystals.jpg|thumb|130px|right|[[January 11]]: Use of [[insulin]] for [[diabetes]].]]
* [[January 7]] – [[Dáil Éireann (Irish Republic)|Dáil Éireann]], the parliament of the [[Irish Republic]], ratifies the [[Anglo-Irish Treaty]] by 64–57 votes.<ref name="Cassell's Chronology">{{cite book|last=Williams|first=Hywel|title=Cassell's Chronology of World History|url=https://archive.org/details/cassellschronolo0000will/page/491|url-access=registration|location=London|publisher=Weidenfeld & Nicolson|year=2005|isbn=0-304-35730-8|pages=[https://archive.org/details/cassellschronolo0000will/page/491 491–493]}}</ref>
* [[January 10]] – [[Arthur Griffith]] is elected [[President of Dáil Éireann]], the day after [[Éamon de Valera]] resigns.<ref>{{cite book|author=Robert Brennan|title=Ireland Standing Firm: My Wartime Mission in Washington; And, Eamon de Valera: a Memoir|url=https://books.google.com/books?id=O5FnAAAAMAAJ|year=2002|publisher=University College Dublin Press|isbn=978-1-900621-68-7|page=xvi}}</ref>
* [[January 11]] – The first successful [[insulin]] treatment of diabetes is made, by [[Frederick Banting]] in Toronto.
* [[January 15]] – [[Michael Collins (Irish leader)|Michael Collins]] becomes [[Chairman of the Provisional Government of the Irish Free State]].
* [[January 26]] – Italian forces occupy [[Misrata]], [[Italian Libya|Libya]]; the [[Pacification of Libya|reconquest of Libya]] begins.