Charles I

US: (chärlz; Fr. sharl)

WordReference Random House Unabridged Dictionary of American English © 2025

Charles I  (chärlz; Fr. sharl), 

1. Ancient History, Biographical Charlemagne.
2. Ancient History, Biographical ("the Bald'') a.d. 823–877, king of France 840–877;
   as Charles II, emperor of the Holy Roman Empire 875–877.
3. Biographical 1500–58, king of Spain 1516–56;
   as Charles V, emperor of the Holy Roman Empire 1519–56.
4. Biographical 1600–49, king of Great Britain 1625–49 (son of James I).
5. Biographical 1887–1922, emperor of Austria 1916–18;
   as Charles IV, king of Hungary 1916–18.

Collins Concise English Dictionary © HarperCollins Publishers::

Charles I noun

1. title as Holy Roman Emperor of Charlemagne
   See Charlemagne
2. title as king of France of Charles II (Holy Roman Emperor)
   See Charles II1
3. title as king of Spain of Charles V (Holy Roman Emperor)
   See Charles V2
4. title of Charles Stuart 1600–49, king of England, Scotland, and Ireland (1625–49); son of James I. He ruled for 11 years (1629–40) without parliament, advised by his minister Strafford, until rebellion broke out in Scotland. Conflict with the Long Parliament led to the Civil War and after his defeat at Naseby (1645) he sought refuge with the Scots (1646). He was handed over to the English army under Cromwell (1647) and executed
5. 1887–1922, emperor of Austria, and, as Charles IV, king of Hungary (1916–18). The last ruler of the Austro-Hungarian monarchy, he was forced to abdicate at the end of World War I