Historical clue formulations

• Former boy band with the members Harry, Liam, Louis, Niall and Zayn, familiarly — 2026-05-22
• Lacking width and depth, for short — 2023-03-10
• Breakout band for Harry Styles and Zayn Malik, familiarly — 2021-10-10
• Group with the 2012 chart-topping album "Up All Night," to fans — 2019-12-22
• Linear — 2019-10-19
• Lacking width and depth — 2018-04-17
• Linear, for short — 2015-12-16
• Linear, for short — 2015-09-01
• Linear, in brief — 2015-07-22
• Linear, informally — 2015-02-08
• Like the x-, y- or z-axis — 2014-10-19
• Flat — 2013-05-18
• Going along the line, briefly? — 2012-12-22
• Like the x- or y-axis — 2012-11-10
• Like lines, briefly — 2012-07-20
• Linear, for short — 2012-06-05
• Linear, briefly — 2011-11-02
• Linear, for short — 2011-05-29
• Linear — 2011-05-27
• Linear, for short — 2011-05-03
• Linear — 2011-03-06
• Lacking width and depth, for short — 2010-12-08
• Like a line, in brief — 2010-08-23
• Superficial, briefly — 2010-01-22
• Linear — 2009-09-11
• Flat, for short — 2009-04-16
• Like a line, briefly — 2008-08-31
• Linear, briefly — 2007-06-29
• Having no depth, in brief — 2007-02-25
• Like a line, briefly — 2007-01-12
• Like a line segment, briefly — 2006-05-09
• Linear — 2005-10-06
• Linear — 2005-08-26
• Linear, for short — 2004-08-09
• Like a line, in math — 2004-03-14
• Flat — 2004-02-11
• Like a line, briefly — 2003-04-10
• Lacking width and depth — 2002-10-03
• Like a line, briefly — 2002-01-12
• Lacking width and depth — 1999-08-13
• Like a line — 1996-10-10
• Linear — 1996-04-25
• Linear — 1996-03-20
• Having no width or depth — 1995-09-20
• Lacking height and depth — 1994-12-31