Great Canadian Flag Debate on December 15, 1964. It resulted in the adoption of the "Maple Leaf" as the Canadian national flag. The flag was inaugurated on February 15, 1965, and since 1996, February 15 has been commemorated as National Flag of Canada Day. For much of its post-Confederation history, Canada used both the Royal Union Flag (Union Jack) as its national flag, and the Canadian Red Ensign as a popularly recognized and distinctive Canadian flag. The first Canadian Red Ensigns were used in Prime Minister Sir John A. Macdonald's time. The Governor General at the time of Macdonald's death, Lord Stanley, wrote to
Great Canadian Flag Debate membership in the Commonwealth of Nations. Senate approval followed on December 17, 1964. The "Royal Union Flag", as it would be officially termed, would be put alongside the new flag on days of Commonwealth significance. Queen Elizabeth II approved the Maple Leaf flag by signing a royal proclamation on January 28, 1965, when both Prime Minister Pearson and Leader of the Opposition Diefenbaker were in London attending the funeral of Sir Winston Churchill. The flag was inaugurated on February 15, 1965, at an official ceremony held on Parliament Hill in Ottawa in the presence of Governor General Major-General Georges Vanier,