25 November 1915 November 24, 2014 Author: Staff Albert Einstein first presents his field equations of general relativity. Famous Words of Inspiration..."Action may not always bring happiness; but there is no happiness without action." Benjamin Disraeli — Click here for more from Benjamin Disraeli Related posts: 30 June 1905 30 June 1905 9 May 1915 22 January 1915 28 November 1862 2 January 1993 25 November 1947 25 November 1947 25 November 1947 29 November 1947 Categories: History Tags: 1915, 25 November