Rizal was born on June 19, 1861 in Calamba, Laguna to Francisco Mercado and Teodora Alonso. He came from a large family that included 11 siblings. Rizal was highly educated and became a writer, philosopher and ophthalmologist who was a key leader in the Philippine revolution against Spanish colonial rule. He was executed by firing squad on December 30, 1896 at the age of 35, making him the national hero of the Philippines.