The reigning monarch King George VI, and his wife, Queen Elizabeth, visited Canada in 1939. Crown Royal was introduced that year by Samuel Bronfman, president of Seagram, as a tribute to the royal visit. It was available only in Canada until 1964. wikipedia
From their site
Crown Royal Northern Harvest Rye combines the distinctive flavor of Canadian rye grain with the unmistakable smoothness of Crown Royal for a truly exceptional Canadian whisky. Crown Royal Northern Harvest Rye is the first Canadian Whisky to earn World Whisky of the Year in Jim Murray’s Annual Whisky Bible 2016.
"Would make a great old fashioned!"
"It's better with ice"
A simple yet delicious 90% blend. Great for cocktails.