CUVU * Simply Awesome & Uniquely Entertaining! Did You Know doozydoo entertainment Education Trivia Did you know? the 1st public demo of the telegraph was sent… January 11, 2021 doozydoo 0 (0) Today in History January 11th, 1838 the first public demonstration of telegraph messages sent using dots and dashes at Speedwell Ironworks in Morristown, New Jersey by Samuel Morse and Alfred Vail. How useful was this post? TrendingVERMONT GOOD CITIZEN CHALLENGE | AUGUST 18th, 2022 Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post. As you found this post useful... Follow us on social media! We are sorry that this post was not useful for you! Let us improve this post! Tell us how we can improve this post? Submit Feedback Related posts: No related posts.