1 November 1950 October 31, 2012 Author: Staff Pope Pius XII declares papal infallibility. Famous Words of Inspiration..."When people stop believing in God, they don't believe in nothing -- they believe in anything." GK Chesterton — Click here for more from GK Chesterton Related posts: 25 December 1950 28 June 1950 24 July 1950 5 November 1605 1 November 1951 Categories: History Tags: 1 November, 1950