Historical clue formulations

• Hiker to a QB: Abbr. — 2026-09-09
• Basketball position for a team's tallest player, usually: Abbr. — 2026-06-10
• Convention bldg., in a mailing address — 2026-04-08
• Middle: Abbr. — 2026-02-22
• Middle: Abbr. — 2025-05-23
• Nexus: Abbr. — 2024-01-14
• Municipal facility: Abbr. — 2022-03-27
• O-line anchor — 2021-08-08
• Middle: Abbr. — 2020-08-23
• Middle: Abbr. — 2019-04-02
• Middle: Abbr. — 2018-09-17
• Hub: Abbr. — 2018-03-15
• N.F.L. position: Abbr. — 2017-09-22
• Focal point: Abbr. — 2017-09-02
• Part of many arena names: Abbr. — 2017-06-16
• Snapper on a field: Abbr. — 2015-12-04
• Point of convergence: Abbr. — 2015-04-28
• One snapping a ball to the QB: Abbr. — 2014-11-02
• Abbr. found at the 56-Down of this puzzle's four longest answers — 2014-09-20
• Midpoint: Abbr. — 2013-10-22
• Middle: Abbr. — 2013-05-14
• Municipal facility: Abbr. — 2013-04-07
• Pigskin snapper: Abbr. — 2011-08-02
• D.C.'s Kennedy ___ — 2011-06-02
• Basketball position: Abbr. — 2009-11-18
• N.F.L. position: Abbr. — 2009-07-09
• Midpoint: Abbr. — 2009-04-06
• Midpoint: Abbr. — 2008-12-07
• N.F.L. line position: Abbr. — 2008-09-30
• Middle: Abbr. — 2008-09-29
• Geom. point — 2008-06-29
• Part of many cultural venue names: Abbr. — 2008-01-19
• N.B.A. position: Abbr. — 2007-11-07
• N.F.L. position: Abbr. — 2007-07-10
• Abbr. after Lincoln or Kennedy — 2007-02-25
• Basketball pos. — 2006-10-26
• Mid. — 2006-07-27
• HQ — 2006-07-14
• Municipal bldg. — 2006-05-30
• Municipal facility: Abbr. — 2006-04-16
• Geom. point — 2005-08-18
• Geom. point — 2005-03-13
• Hdqrs. — 2004-06-26
• Geom. point — 2004-05-16
• Gathering place: Abbr. — 2004-01-29
• Basketball position: Abbr. — 2003-12-28
• Municipal facility: Abbr. — 2003-12-12
• Bull's-eye: Abbr. — 2003-06-12
• Part of many arena names: Abbr. — 2002-08-31
• This answer's place: Abbr. — 2001-09-30