Original: Calixa LavallÃ e, (December 28, 1842 - January 21, 1891), born Calixte LavallÃ e, was a French-Canadian-American musician who composed the music for O Canada, which officially became the national anthem of Canada in 1980.
Simplified: Calixa LavallÃ e, (born Quebec, 28 December 1842; died Boston, 21 January, 1891), was a Canadian-American composer.