Historical clue formulations

• Nickname for Lincoln — 2025-05-19
• Nickname for this puzzle's subject — 2022-05-29
• Moniker for #16 — 2015-11-13
• President after Ten-Cent Jimmy — 2011-04-23
• White House nickname — 2010-06-20
• Copper head? — 2009-01-31
• 1860 campaign nickname — 2008-08-01
• 16th president, informally — 2002-02-18