| Flag | Sovereign | Birthdate | Reign (TX) | Deathdate | |
| Began | Ended | (if different) | |||
 | Louis XIV | 1638 | 1685 | 1690 | 1715 |
 | Carlos II | 1661 | 1690 | 1700 | |
| Felipe V | 1683 | 1700 1724 | 1724 1746 | ||
| Luís I | 1707 | 1724 | 1724 | ||
| Fernando VI | 1713 | 1746 | 1759 | ||
| Carlos III | 1716 | 1759 | 1788 | ||
 | Carlos IV | 1747 | 1788 | 1808 | 1819 |
| José I | 1768 | 1808 | 1813 | 1844 | |
| Fernando VII | 1784 | 1808 1813 | 1808 1821 | 1833 | |
 | Augustín I | 1783 | 1822 | 1823 | 1824 |
The Six Flags that have flown over Texas, including those of the Spanish (far right) and French (second from right) monarchies.
Coat of Arms of King Fernando VI, Spanish Governor's Palace, San Antonio
Prince Carl of Solms-Braunfels (1812-1875), founder of New Braunfels
German-Texan postcard (1916) expressing solidarity with Kaiser Wilhelm II of Germany and Kaiser Franz Joseph I of Austria-Hungary...and The Alamo
Shrine to Emperor Blessed Karl (1887-1922), with card commemorating the then-recent death of his son Archduke Otto (1912-2011), at St Mary the Virgin Catholic Church, Arlington, Texas; July 16, 2011
Shrine to Emperor Bl. Karl at Mater Dei Catholic Church, Irving, Texas