1821
ID: 740
Hegel appointed to University of Berlin - philosophical system profoundly influences European thought
ID: 740
1821
ID: 741
Revolution spreads to Piedmont - Victor Emmanuel abdicates, Austrian intervention crushes movement
ID: 741
1821
ID: 743
Cauchy publishes Cours d'analyse - rigorous epsilon-delta definitions finally answer Berkeley's objections
ID: 743
1821
ID: 744
Elite Semyonovsky Regiment revolts in St. Petersburg - Tsar realizes system destabilizing military
ID: 744
1821
ID: 745
Friedrich Wohler synthesizes urea from inorganic compounds - bridges inorganic and organic chemistry
ID: 745
1821
ID: 742
September 13, 1821
Pope Pius VII issues Ecclesiam a Jesu Christo - condemns Carbonari and Freemasonry, automatic excommunication
ID: 742