1 November 1950 October 31, 2012 Author: Staff Pope Pius XII declares papal infallibility. Famous Words of Inspiration..."There is a fine line between genius and insanity. I have erased this line." Oscar Levant — Click here for more from Oscar Levant Related posts: 25 December 1950 28 June 1950 24 July 1950 5 November 1605 1 November 1951 Categories: History Tags: 1 November, 1950