---
title: Fortifications, San Juan de Ulúa
author: Angelinn RT
source: https://www.worldhistory.org/image/14750/fortifications-san-juan-de-ulua/
format: machine-readable-alternate
license: Creative Commons Attribution-ShareAlike (https://creativecommons.org/licenses/by-sa/4.0)
updated: 1970-01-01
---
# Fortifications, San Juan de Ulúa
_Authored by Angelinn RT_
## Image File
[](https://www.worldhistory.org/uploads/images/14750.png)
## Image Caption
A portion of the 16-17th century fortifications at San Juan de Ulúa, an island opposite the port of Veracruz, Mexico, once a major port on the [Spanish Main](https://www.worldhistory.org/Spanish_Main/). The rings in the walls were for ships to tie themselves to.
## Cite This Work
### APA
RT, A. (2021, October 26). Fortifications, San Juan de Ulúa. *World History Encyclopedia*.
### Chicago
RT, Angelinn. "Fortifications, San Juan de Ulúa." *World History Encyclopedia*, October 26, 2021. .
### MLA
RT, Angelinn. "Fortifications, San Juan de Ulúa." *World History Encyclopedia*, 26 Oct 2021, .
## License & Copyright
[Original image](https://commons.wikimedia.org/wiki/File:San_Juan_de_Ulua.jpg) by [**Angelinn RT**](https://commons.wikimedia.org/wiki/File:San_Juan_de_Ulua.jpg). Submitted by [Mark Cartwright](https://www.worldhistory.org/user/markzcartwright/ "User Page: Mark Cartwright"), published on 26 October 2021. The copyright holder has published this content under the following license: [Creative Commons Attribution-ShareAlike](https://creativecommons.org/licenses/by-sa/4.0deed.en). This license lets others remix, tweak, and build upon a work even for commercial reasons, as long as they credit the author and license their new creations under the identical terms. When republishing on the web a hyperlink back to the original content source URL must be included. Please note that content linked from this page may have different licensing terms.