The "Canadian Anthem," officially known as "O Canada," is the national anthem of Canada. The song was composed in 1880, with music by Calixa Lavallée and lyrics by Robert Stanley Weir. It was adopted as the national anthem in 1980, celebrating the country's identity and values. "O Canada" expresses themes of patriotism and pride in the nation's beauty and diversity. The anthem is often performed at public events, including sports games and national celebrations, fostering a sense of unity among Canadians. Its melody and lyrics resonate deeply with the country's history and culture.