On this day in 1915, Albert Einstein presented the field equations of general relativity to the Prussian Academy of Sciences.
Born on this day in 1824 librettist Antonio Ghislanzoni
Born on this day in 1895 soprano Adelaide Saraceni
Born on this day in 1896 composer Virgil Thomson
Born on this day in 1901 soprano Adele Kern
Happy 74th birthday conductor Jean-Claude Malgoire
Happy 69th birthday baritone Hakan Hagegard
Happy 64th birthday soprano Yvonne Kenny