"General M.G. Vallejo was born in Monterey upper California, July, 1808, being the eighth of thirteen children. He was educated at the college there, and entered the military service at the age of sixteen, as a cadet and private secretary to Governor Arguello. Being rapidly promoted, he reached the rank of Brigadier-General in 1840."
January 1, 1970
https://en.wikiquote.org/wiki/Mariano_Guadalupe_Vallejo