- William Henry Harrison had a brilliant idea for his inauguration. Facing accusations that he was old and frail, as well as unintelligent, he decided to deliver an eloquent two-hour inauguration speech (which had already been edited for length). Outside. In cold weather. In the rain. Without warm clothes on. And then went out dancing.
- Hexadecagon (Wikipedia)
In mathematics, a hexadecagon (sometimes called a hexakaidecagon or 16-gon) is a sixteen-sided polygon.