On This Day In History On This Day In History: First Recorded Passage Of Halley’s Comet Observed By Chinese Astronomers – On Mar 30, 240 BC MessageToEagle.com | March 30, 2016 MessageToEagle.com – On 30 March 240 BC, the first recorded passage of Halley’s Comet was observed by Chinese astronomers in the Chinese chronicle ‘Records of the Grand Historian’ (or Read More