1889 – Born in Pavia on the 7th of February.
1910 – Muzio made her operatic début in the title-role of Massenet’s Manon.
1913 – She made rapid progress in the opera-houses of Italy, leading to débuts at La Scala in Milan in Paris and in London at Covent Garden in 1914.
1916 – She was invited to the Met in New York in December and was so successful that she continued to appear there during six successive years.
1919 – She established a special relationship with the Teatro Colón in Buenos Aires, where she first appeared in June.
1922 – She also appeared regularly in Chicago.
1929 – She married Renato Liberati, seventeen years her junior.
1934 – Her last and according to some critics her greatest role was in Rome as Cecilia in the opera of that name written for her by Licinio Refice.
1930 – She started to experience some health problems, but continued singing and recording.
1936 – On the 24th of May, after a short illness, she died in a Rome hotel of what was officially described as heart failure, aged 47. There was much speculation about other possible causes of death, including suicide.