28 January 1754 Posted on January 27, 2023 by Staff Sir Horace Walpole coins the word serendipity in a letter to a friend. Famous Words of Inspiration..."You're happiest while you're making the greatest contribution." Robert F. Kennedy — Click here for more from Robert F. Kennedy Related posts: 16 January 1964 28 January 1956 24 January 1943 16 May 1770 5 March 1946 2 January 1967 1 January 1707 2 January 1967 28 January 1958 28 January 1932