HistoryTodayhttp://feedburner.google.com the Swiss-Italian Alp was first scaled, by British mountaineer Edward Whymper (1865) http://www.answers.com/topic/matterhorn the 21-year-old outlaw was shot and killed by Sheriff Pat Garrett in New Mexico (1881) http://www.answers.com/topic/billy-the-kid spacecraft performed the first flyby of another planet and sent back the first pictures of the surface of Mars (1965) http://www.answers.com/topic/mariner-4 were officially discontinued by the Federal Reserve System, leaving the $100 bill as the largest unit of circulating currency (1969) http://www.answers.com/topic/large-denominations-of-united-states-currency 1440 Answers.com: This Day in History fills you in on the historical significance of each day. http://today.answers.com en-us Copyright 2007 Answers Corp.