History of Santa Ana By rebeca roque Nov 18, 1769 expedition of Gaspar de Portola Nov 21, 1776 mission San Juan Capistrano Apr 7, 1810 mexican independence Jan 31, 1848 after the mexican-american war ended in 1848 May 13, 1869 claimed in 1869 by kentuckian William H. Aug 5, 1886 Santa Ana was incorporated as a city in 1886 whit a population Jun 21, 1906 By 1906 the Pacific Electric Railway form Los Angeles was esxended to Santa Ana Dec 7, 1912 santa ana was the home of the original Glenn.L marti aviation conpany Jul 15, 1916 before merging with the wrigh conpany in 1916 Jan 23, 1950 and tehe track were removed along with much of the Paqcific Electryc Sistem Apr 1, 1953 increasing the ease of travel by automovile Feb 4, 1987 in main place small