This monument in honor of King Carlos IV of Spain was erected in 1824 for introducing small pox vaccine in the Philippines. Carlos IV was the king of Spain from 14 December 1788 to 19 March 1808.
This monument in honor of King Carlos IV of Spain was erected in 1824 for introducing small pox vaccine in the Philippines. Carlos IV was the king of Spain from 14 December 1788 to 19 March 1808.