This Day in Auto History:

4.2.1878 Albert Champion, pioneer automobile racer and sparkplug manufacturer, is born in Paris, France 4.2.1910 Thomas B. Jeffery of Rambler dies in Pompeii, Italy at age 65 4.2.1924 The Nash Motors Company purchases the Mitchell Motor Company of Racine, WI primarily to acquire additional production capacity 4.2.1932 The Plymouth PB is introduced, the first of the marque to officially have an assigned model year 4.2.1953 Col. Will H. Brown, chief of the Army Motor Transport Corps in World War I, dies in Indianapolis, IN at age 81

Source: Automobile History Day By Day, by Douglas A. Wick