Editing 1925 (section)

===December===
{{Main|December 1925}}
* [[December 1]] &ndash; The [[Locarno Treaties]] are signed in London, intended to secure the post-war continental European territorial settlement.
* [[December 11]] &ndash; [[Pope Pius XI]]'s [[encyclical]] ''[[Quas primas]]'', on the [[Feast of Christ the King]], is promulgated.<ref>{{cite web|url=http://www.papalencyclicals.net/Pius11/P11PRIMA.HTM|title=Quas Primas|access-date=October 17, 2012|archive-url=https://web.archive.org/web/20120815205132/http://www.papalencyclicals.net/Pius11/P11PRIMA.HTM|archive-date=August 15, 2012|url-status=dead}}</ref>
* [[December 12]] &ndash; The first [[motel]] in the world, the Milestone Mo-Tel (later the [[Motel Inn]] of San Luis Obispo), opens in [[San Luis Obispo]], [[California]].<ref>{{The Timetables of Science|pages=442}}</ref>
* [[December 15]] &ndash; [[Reza Shah]] takes the oath to become the first [[shah]] of [[Imperial State of Iran|Persia]] of the [[Pahlavi dynasty]].
* [[December 25]] &ndash; [[IG Farben]] is formed by the merger of six chemical companies in Germany.
[[File:Paris Montmartre in 1925.jpg|thumb|115px|Paris Rue de [[Montmartre]] in 1925]]