Related events:

1. Monday 21st of August 1911 (x) — Thief Vincenzo Peruggia steals Leonardo Da Vinci's Mona Lisa from the Salon Carré
   Peruggia wanted to bring the painting back for display in Italy "after it was stolen by Napoleon". After keeping the painting hidden in a trunk in his apartment for two years Peruggia returned to Italy with it. He kept it in his apartment in Firenze but grew impatient and was finally caught when he contacted Alfredo Geri, the owner of an art gallery in Firenze, Italy.

2. Sunday 30th of December 1956 (x) — Art vandal Hugo Villegas throws a brick at Leonardo Da Vinci’s ‘Mona Lisa’
   A psychiatric report on Villegas by Dr. Gouriou on 14 January 1957 found that the man was insane, heard strange voices, and had intended to murder the Argentinean dictator Juan Perón but went instead for the less well protected Mona Lisa.

3. Monday 8th of January 1968 (x) — the painting 'La Vierge à l'Enfant entourée des saints Innocents' by Painter Peter Paul Rubens is cut into with a knife by an unidentified mentally disturbed person