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Constantine I

American  
[kon-stuhn-teen, -tahyn] / ˈkɒn stənˌtin, -ˌtaɪn /

noun

  1. Flavius Valerius Aurelius Constantinusthe Great, a.d. 288?–337, Roman emperor 324–337: named Constantinople as the new capital; legally sanctioned Christian worship.

  2. 1868–1923, king of Greece 1913–17, 1920–22.


Constantine I British  
/ ˈkɒnstənˌtaɪn, -ˌtiːn /

noun

  1. known as Constantine the Great. Latin name Flavius Valerius Aurelius Constantinus. ?280–337 ad , first Christian Roman emperor (306–337): moved his capital to Byzantium, which he renamed Constantinople (330)

  2. 1868–1923, king of Greece (1913–17; 1920–22): deposed (1917), recalled by a plebiscite (1920), but forced to abdicate again (1922) after defeat by the Turks

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • Constantinian adjective
  • post-Constantinian adjective

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the 1930s, 14 gold coins dating to the reign of Constantine I, a Roman emperor who reigned from 306 to 337 AD, were also found in the area, El País says.

From BBC

The uncle of Queen Elizabeth’s late husband was King Constantine I of Greece — Sophia’s grandfather.

From Seattle Times

The uncle of Queen Elizabeth’s late husband was King Constantine I of Greece - Sophia’s grandfather.

From Washington Times

Constantine I was not the only Roman ruler to make such proclamations.

From Scientific American

It was not until 325 A.D. that the Christian Emperor Constantine I officially approved the holiday of Christmas, celebrated openly on Dec. 25 of each year.

From Washington Post