San Antonio is a sister city of Santa Cruz de Tenerife in the Canary Islands. The history and ties are deep. Santa Cruz is where I am living while serving as a Fulbright Scholar to Spain. I stumbled upon the Plaza of San Antonio near my flat the other day.
For more information about the ties between the two cities, here is a website commemorating San Antonio’s history… https://www.sanantonio300.org/300-in-review/ The videos posted on the site are of the highest quality.