1883 Death Manuel Gregorio Tavarez, composer, dies at 39 1853 Birthday Gregorio Ricci-Curbastro, Italian mathematician, tensor analysis 1843 Birthday Manuel Gregorio Tavarez, composer 1722 Birthday Gregorio Sciroli, composer 1652 Death Gregorio Allegri, Italian singer/composer (Miserere), dies at about 67 1143 Death Innocent II, Gregorio de' Papareschi, Italian Pope 1130 - 1143, dies 1138 Event Anti-Pope Victor IV (Gregorio) overthrows self for Innocentius II 1130 Event Gregorio de' Papareschi elected as Pope Innocent II
