"Columbia Pictures refused to greenlight the 1993 film Groundhog Day without explaining why Phil becomes trapped in the same day. Producer Trevor Albert and director Harold Ramis appeased the studio, but deliberately placed the scenes too late in the shooting schedule to be filmed."
"In 1968, over 6000 sheep were killed in Utah and popular theories pointed to the Army. It was revealed 30 years later that it was indeed the result of nerve agent testing. Families nearby developed nervous system illnesses, but the Army accepted no responsibility."
"Strange Case of Dr Jekyll and Mr Hyde (1886) was written by Robert Louis Stevenson during a 6-day [substance] binge. His wife Fanny said: "That an invalid in my husband's condition of health" was able to do "the manual labour alone of putting 60K words on paper in 6 days seems almost incredible"."