5 May 1866 May 4, 2016 Author: Staff Memorial Day first celebrated in the USA at Waterloo, New York. Famous Words of Inspiration..."A moment's insight is sometimes worth a life's experience." Oliver Wendell Holmes — Click here for more from Oliver Wendell Holmes Related posts: 27 July 1866 6 April 1974 9 March 1959 Categories: History Tags: 1866, 5 May