December 1, 1135 - King Henry I died after being ill for several days (after eating too many lampreys). He had ruled for 35 years and his death threw England into a Civil War over the crown between his daughter, the Empress Matilda, and his nephew, Stephen.
December 1, 1761 - Madame Marie Tussaud (Grosholz) was born. During the French Revolution she made death masks from the severed heads of the famous. She eventually set up a permanent exhibition in London which is still open today.