A premium subscription is required to access this article. Article Date: 02/19/2018 President's Blog - This Is Not A Coincidence! History provides numerous instances of odd coincidences. Mark Twain was born as Samuel Langhorne Clemens on Nov. 30, 1835, the day Halley’s Comet streaked past planet Earth for its only local appearance in the 19th Century. Twain died on April 21, 1910, the very day Halley’s Comet made its return. That’s a coincidence. What ... Log in to view full article. If you already have a subscription, please log in with your email address and password. User Name (Email Address): Password: Forgot your password? Click here to have your password emailed to you. To purchase a premium subscription, please use the links below. One-year premium subscription with unlimited access to all articles including reprint rights (see terms and conditions) for $2,000.00. Monthly subscription (3 month minimum) with unlimited access to all articles including reprint rights (see terms and conditions) for $195/mo. CLICK TO VIEW Terms and Conditions I ACCEPT You must accept the 'Terms and Conditions' before purchasing this product.