Spanish conquistador explorer soldiers contributed of their military salaries (per the King of Spain's request) to the American Revolution. Thus, their descendants qualify to become members of Daughters of the American Revolution (DAR) or Sons of the American Revolution (SAR). Here is one resource:
https://www.somosprimos.com/hough/hough.htm
Donativos or donators = Spanish American Patriots recognized by DAR & SAR; My Spanish American Patriot Ancestor = Juan Cristobal Montes Vigil & family, gateway ancestors to Charlemagne.
Another descendant's lineage & history documents all of this heritage https://www.dannyvigil.com/lineage