Today is Friday, December 7, the 341st day of 2018. There are 24 days left in the year.
1741 — Elisabeth Petrovna becomes tsarina of Russia
1783 — Theater Royal opens in Covent Garden, London
1787 — Delaware becomes first state to ratify constitution
1842 — New York Philharmonic's first concert
1877 — Thomas Edison demonstrates the gramophone
1911 — The National Hockey Association forms with New Westminister, Vancouver and Victoria
1917 — U.S. becomes 13th country to declare war on Austria during World War I
1925 — Noel Coward's "Easy Virtue" premieres in New York