50446.
The Great Calverley Crossing Niagara Gorge.
In 1887, Clifford Calverly came to Niagara Falls to perform his tight rope act. He set a speed record by crossing the gorge in two minutes and thirty-two seconds as compared to the usual fifteen to twenty minutes required by most of his predecessors. During subsequent crossings, Calverly skipped rope, hung by one arm, hung by one foot, sat on a chair and used a wheelbarrow.