Answer: DCI
DCI is a crossword puzzle answer that we have spotted 39 times.
Referring Clues:
- Seventh-century date
 - 601, to Nero
 - Early seventh-century year
 - 601, in old Rome
 - Year in Gregory I's papacy
 - Early seventh-century date
 - Year in St. Gregory I's papacy
 - Start of the seventh century
 - Century starter in the papacy of Gregory I
 - 601, to Caesar
 - 601, to Septimius Severus
 - Caesar's 601
 - Early seventh century date
 - One-fifth of MMMV
 - Start of the 7th century
 - 20% of MMMV
 - A fifth of MMMV
 - Seventh-century year
 - Year in the reign of St. Gregory I
 - 7th-century starter
 - 601, in Roman numerals
 - Far out!
 - Livy's 601
 - Nero's 601
 - Ovid's 601
 - Roman 601
 - Cato's 601
 - 601, in Rome
 - Seventh-century start
 - World's first independent credit card company, initially
 - Cicero's 601
 - Seventh-century starter
 - 601, to Seneca
 - 601, to Julius Caesar
 - Half of mccii
 - Rank of Brit. TV sleuth Morse
 - Early Middle Ages century starter
 - Medieval century starter
 - 601, to Virgil
 
Last Seen In:
- LA Times - February 13, 2022
 - LA Times - December 26, 2021
 - LA Times - November 06, 2021
 - Netword - November 07, 2020
 - Netword - September 16, 2020
 - Netword - May 09, 2020
 - Netword - January 19, 2020
 - LA Times - April 28, 2019
 - Netword - January 14, 2019
 - King Syndicate - Eugene Sheffer - September 11, 2018
 - King Syndicate - Eugene Sheffer - December 23, 2017
 - New York Times - September 03, 2017
 - Universal - July 18, 2017
 - Universal - April 21, 2017
 - King Syndicate - Premier Sunday - April 02, 2017
 - LA Times - February 28, 2017
 - LA Times - October 07, 2016
 - Netword - August 07, 2016
 - New York Times - April 20, 2016
 - Netword - January 31, 2016
 
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