Historical clue formulations

• Roman 552 — 2010-01-11
• Mid sixth-century year — 2008-06-04
• 552, on a cornerstone — 2007-09-23
• Sixth-century year — 2007-06-24
• Sixth-century year — 2005-09-29
• Year the Ostrogoths were defeated at the Battle of Taginae — 2005-03-05
• 552, in old Rome — 2004-12-06
• Year in Justinian I's reign — 2000-09-07
• 6th-century year — 2000-08-19
• Diocletian's 552 — 2000-06-06
• Half of MCIV — 2000-02-29
• Sixth-century date — 1999-03-31
• Sixth-century date — 1996-10-08
• Mid-sixth century date — 1996-04-22
• Half of MCIV — 1994-06-17