Historical clue formulations

• First Holy Roman emperor to be called "the Great" — 2025-06-26
• "Great" 10th-century emperor — 2023-12-27
• 10th-century Holy Roman emperor — 2018-01-16
• Holy Roman emperor called "the Great" — 2017-10-01
• Emperor crowned in 962 — 2015-04-18
• 10th-century Holy Roman emperor — 2012-04-19
• Holy Roman emperor dubbed "the Great" — 2011-05-31
• First German emperor of Italy — 2011-04-24
• 10th-century Holy Roman emperor — 2010-01-11
• 10th-century Holy Roman emperor — 2009-12-15
• 10th-century emperor known as "the Great" — 2007-02-10
• 10th-century Holy Roman emperor — 2005-07-08
• Holy Roman emperor crowned 962 — 2004-09-11
• Holy Roman emperor, 962-73 — 2004-08-03
• 10th-century Holy Roman emperor — 1998-03-11