La Union was created as a province in 1850 by combining areas from Pangasinan, Ilocos Sur, and the Cordilleras. It has experienced transformations in its socio-cultural and economic aspects over time. The population is predominantly Ilocano and Catholic. Important industries include agriculture, manufacturing, and services. The province celebrates several festivals celebrating local culture and cuisine, such as the Kilawen, Buyboy, and Dinengdeng festivals. Famous people from La Union include Diego Silang, Gloria Diaz, and Camilo Osias.