I came across a great blog post by Michael Hebert regarding a book review of Joseph Ellis' biography His Excellency: George Washington . Apparently, at the age of 67, President George Washington died in 1799. I quote from the blog post the following account: "One morning in mid-December 1799, Washington went out, as it was his daily habit, on horseback from his home to inspect his Mount Vernon property. That particular day the weather was very cold and there was an ice storm. I…