Historical clue formulations

• Ancient Rome's port — 2010-01-10
• Port of old Rome — 2009-12-15
• Port of ancient Rome — 2009-11-05
• Old Roman port — 2006-05-04
• Port of old Rome — 2003-12-19
• Port of ancient Rome — 2003-10-26
• Port in the Punic Wars — 2003-08-03
• Port of old Rome — 2002-11-13
• Port of old Rome — 2002-08-02
• Old port on the Tiber — 2002-05-21
• Site of ancient Roman ruins — 2001-06-17
• Port of ancient Rome — 2000-06-30
• Port city of ancient Rome — 2000-03-19
• Old Roman port — 1999-06-24
• Ancient city at the mouth of the Tiber — 1999-06-01
• Ancient Rome's port — 1996-08-16
• Old Roman seaport — 1995-07-29