The then-ruling Peninsulares (mainland-born) and Insulares (islands-born) Spaniards in the service of the royalty or crown of Spain under the Spanish Governor-General or the Royal Audiencia and Chancellery, as well as the Ilustrados (Filipino liberals and educated class) of the old times, have treaded along its pathways. In the early times, Intramuros itself was considered the entirety of Manila, the capital city of the Philippines, and the PLM campus was the site where the first formal educational institution in the country was pioneered in the late 16th century.