1842 – He was born Calixte Paquet on the 28th day of December this year at Verchères, Quebec.
1855 – His first music lessons came from his father. Later, in this year, he traveled to Montréal to study piano with Paul Letondal and Charles Wugk Sabatier.
1857 – This year, he went to the US and lived in Rhode Island where he enlisted in the Northern army in the American Civil War eventually attaining the rank of Lieutenant. During and after the war he moved between Canada and the United States and developed a career in music. He was also a director, conducting major orchestral and operatic productions in important concert halls like the Montreal Academy of Music in Montreal and the Grand Opera House in New York.
1859 – He joined a touring minstrel show as musical director and set off for a decade of touring the continent.
1861 – This year, he took one-year break from the road to join the Union Army during Civil War. Late in 1863 he returned to Montréal, performing there as a pianist, violinist and cornettist for the next two years.
1880 – He was commissioned to compose "O Canada" to be performed during the St. Jean-Baptiste Day celebrations in this year.
1891 – He passed away on the 21st of January this year in Boston.
1933 – His remains were re-interred to Montreal in this year and laid to rest in the Montréal Côte-des-Neiges Cemetery.