Michelangelo Merisi da Caravaggio, Italian Baroque painter, famous for his chiaroscuro technique and for revolutionizing religious art and painting with dramatic realism.
D. Carlos I, penultimate king of Portugal, known for his interest in oceanography and for facing political challenges during his reign until he was assassinated in 1908.
D. Carlos I (born September 28, 1863, and died February 1, 1908) was the thirty-third King of Portugal. A respected diplomat abroad and notable oceanographer, his troubled reign culminated tragically in his assassination in the Terreiro do Paço.
Date created to promote vaccination and prevention of rabies, in honor of Louis Pasteur, who developed the first effective vaccine against the disease.