https://github.com/davepinch/pinchy.cc/blob/master/content/topics/films/aliens/nuclear-warfare/i-say-we-take-off-and-nuke-the-entire-site-from-orbit.md
Damage to the brain caused swelling (cerebral edema), and Nixon slipped into a deep coma. He died at 9:08 p.m. on April 22, 1994, with his daughters at his bedside. He was 81 years old.