In 1976, in Montreal, it was Nadia Comăneci with a perfect 1-0-0-0 score. In 2009, in Halifax, it’s Orin Eisenhauer!

Now is the high-tide of the year, And whatever of life hath ebbed away, Comes flooding back with a ripply cheer
 ─ From What is So Rare As a Day in June, by James Russell Lowell