The First Magdalena massacre was an attack by SeriNative Americans against the Spanish mission village of Magdalena de Kino, in the present day northern Mexico. The attack occurred on November 3, 1757 and was the first of two massacres at the town. The second attack came almost exactly nineteen years later in November, 1776. Not much is known except for the deaths of thirty-one men, women and children, as well as Jesuitmissionaries.