Darwin Day site offers free registration and display of all Darwin Day events. The Perth Mint, Australia will launch a 2009 dated commemorative 1 ounce silver legal tender coin depicting Darwin, young and old; HMS Beagle; and Darwin's signature. Some celebrants also combine Darwin Day with a celebration of Abraham Lincoln, who was also born on 12 February 1809. Still others like to celebrate the many noted individuals that influenced or were influenced by Darwin's work, such as Thomas H. Huxley, Charles Lyell, Alfred Russel Wallace, Carl Sagan, and Ernst Mayr. Support for Darwin Day comes from both secular and religious organisations.
Charles McMahon and Darwin Judge the U.S. involvement in Cambodia and Laos) recorded on the Vietnam Veterans Memorial; those names belong to the 18 Americans killed in the Mayaguez Incident. Charles McMahon and Darwin Judge Charles McMahon (May 10, 1953 – April 29, 1975) and Darwin Lee Judge (February 16, 1956 – April 29, 1975) were the last two United States servicemen killed in Vietnam during the Vietnam War. The two men, both U.S. Marines, were killed in a rocket attack one day before the Fall of Saigon. Charles McMahon, 11 days short of his 22nd birthday, was a corporal from Woburn, Massachusetts. Darwin Judge