, under the project "Ponce en Marcha". In 1988, Cordero received the endorsement of then governor Rafael Hernández Colón for the office of Mayor of the city of Ponce and won the elections for the PPD by 1,617 votes against his opponent Helcías Bermúdez of the
New Progressive Party that same year. He won re-elections in 1992, 1996, and 2000. Among Cordero Santiago's many achievements as mayor are the construction of the
Julio Enrique Monagas Family Park, the largest family park in Puerto Rico. The park, which opened in 1994 and was named to honor the founder of the Puerto Rico Olympic Committee, covers some and is located at the
confluence of the
Bucaná and
Portugues rivers. Cordero Santiago also built the
Tricentennial Park Plaza in 1992, the
La Guancha Boardwalk, and is credited with re-establishing the "
Ponce en Marcha" project in 1992. In 1991, mayor Cordero Santiago instituted a restoration project for the
25 de Enero Street homes, the street per se, and surrounding area based on their historical value. In 1990, the administration of Cordero Santiago restored the old
Parque de Bombas and turned it into a museum that preserves the history of Ponce's firefighters. On Cordero's credit list is also facilitating the establishment of
Castillo Serralles as a museum in 1990. There are some Churumba is widely regarded as author of a saying that is still used today: A strong believer in the removal of the U.S. Navy from the Puerto Rican island of Vieques, Cordero was arrested in 2001 and imprisoned for 30 days after practicing
civil disobedience during the
Navy-Vieques protests by illegally trespassing the restricted grounds of the
United States Navy on
Vieques. ==Death and funeral==