Historical clue formulations

• Burkina ___ — 2024-08-13
• Burkina ___ (African country) — 2023-09-04
• Burkina ___ (African land) — 2016-12-29
• Burkina ___ (Niger neighbor) — 2016-01-10
• Burkina ___ (African land) — 2015-11-29
• Burkina ___ (African land) — 2012-08-13
• Burkina ___ — 2012-06-17
• Burkina ___ — 2008-08-24
• Burkina ___ — 2008-02-23
• Burkina ___ — 2006-08-06
• Burkina ___, neighbor of Mali — 2004-12-09
• Burkina ___ — 2002-06-23
• Burkina ___ — 2001-02-04
• Burkina ___ — 1999-01-02