SignOnSanDiego.com - The oldest business in San Diego County and the second-oldest newspaper in Southern California, The San Diego Union-Tribune is the product of a merger of The San Diego Union, founded Oct. 10, 1868, and the Evening Tribune, founded Dec. 2, 1895. The newspapers have won numerous awards over the years, including two Pulitzer Prizes.The Union-Tribune also publishes Enlace, a weekly Spanish-language news publication serving San Diego's substantial Hispanic population, and operates SignOnSanDiego.com.