February 26, 1937: Zamboanga, was declared a city by virtue of Commonwealth Act No. 39

On February 26, 1937, Zamboanga officially became a city, a milestone made possible by Commonwealth Act No. 39, signed into law by President Manuel L. Quezon. This historic moment marked a new chapter for Zamboanga, transforming it from a bustling municipality into one of the Philippines' earliest chartered cities under the Commonwealth government.