It is believed that Mark Twain (aka Samuel Clemens) was born the same month as the passing of Halley's comet in November 1835. Halley's Comet passed on November 10th 1835 and Twain was born November 30th 1835. Twain vowed he would "go out"with the passing of the comet, as it passes in 75 year cycles. Halley's comet passed again April 20th 1910, Twain passed April 21st 1910.