February 13 Andrew Bedford publishes 1st American magazine (American Magazine) February 16 Benjamin Franklin's General Magazine, 2nd U.S. magazine begins publishing March 4 English fleet under Admiral Ogle reaches Cartagena March 9 English fleet under Admiral Ogle begins assault on Cartagena April 10 Prussians defeat Austrians at Mollwitz April 13 Dutch people protest bad quality of bread April 13 Royal Military Academy forms at Woolwich May 8 France and Bavaria sign Covenant of Nymphenburg May 28 Spain and Bavaria sign treaty June 4 Prussia goes to the Covenant of Nymphenburg June 15 Captain Bering leaves Petropavlovsk, sailing to America June 30 Pope Benedict XIV encyclical forbidding traffic in alms July 28 Captain Bering discovers Mount St. Elias, Alaska August 15 French troops attack the Rhine August 20 Alaska discovered by Danish explorer Vitus Bering September 11 Queen Maria Theresa addresses Hungarian Parliament September 14 George Frederick Handel finishes "Messiah" oratorio, after working on it non-stop for 23 days September 16 George Frederick Handel's "The Messiah," premieres in Dublin November 26 French and Beiers army occupies Prague December 5 Russian princess Elisabeth Petrovna grabs powers December 7 Elisabeth Petrovna becomes tsarina of Russia December 25 Astronomer Anders Celcius introduces Centigrade temperature scale December 27 Prussian forces took Olmutz, Czechoslovakia