July 4 - A supernova is recorded by the Chinese and possibly Native Americans near the star ζ Tauri. For several months it remains bright enough to be seen during the day. Its remnants form the Crab Nebula (NGC 1952). -- Reference, Journal of Astronomy, part 9, chapter 56 of Sung History (Sung Shih) first printing, 1340. facsimile on the frontispiece of Misner, Thorne, Wheeler Gravitation, 1973.