Leonardo da Vinci By WestonPratt 1452 birth 1478 The Annunciation is painted. The work, initially credited to Da Vinci, is now believed to have been painted by Lorenzo di Credi. 1494 Leonardo begins work on The Last Supper in the refectory of the convent of Santa Maria delle Grazie in Milan. 1500 Leonardo begins painting the Virgin and Child with Saint Anne, a project that he only finishes after 10 years. May 8, 1519 leonardo died