First human-powered ornithopter takes wing (literally), 2010

In 2010, the Snowbird, a human-powered ornithopter created by a University of Toronto team, became the first HPO to sustain flight. The HPO project at U of T has a great YouTube feed of its various flights since, though it seems largely dormant today.

HPO Team News | Human Powered Ornithopter Project

(via Lifelines)