This Day in Auto History:

4.28.1903 Ten automobile manufacturers, including Cadillac, Northern, Thomas, and Pope, join the Association of Licensed Automobile Manufacturers (ALAM) to comply with Selden Patent rights 4.28.1916 Ferruccio Lamborghini is born in Renazzo di Cento, Ferrara, Italy 4.28.1940 Morgan J. Hammers, an associate of steam car designer Abner Doble, dies in Stamford, CT at age 65 4.28.1950 James Douglas Muir “Jay” Leno, television personality and prominent car collector, is born in New Rochelle, NY 4.28.1973 Racer Piero Drogo dies in Bologna, Italy at age 46

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