Historical clue formulations

• Most populous Canadian province — 2026-09-08
• See 15-Down — 2023-09-24
• Lake at one end of the Niagara River — 2022-09-14
• Neighbor of New York — 2018-02-18
• Its postal codes start with K, L, M, N and P - but, oddly, not O — 2017-01-12
• It's superior to Superior — 2016-01-16
• Locale of the Battle of Stoney Creek in the War of 1812 — 2015-06-28
• Neighbor of four Great Lakes — 2015-04-03
• H*MES — 2015-02-03
• It borders five U.S. states — 2014-11-23
• Lake at one end of the Welland Canal — 2012-09-02
• One side of the Detroit River — 2011-10-14
• Its official bird is the great northern loon — 2010-08-05
• Neighbor of four Great Lakes — 2007-04-05
• Home of Pukaskwa National Park — 2005-08-11
• Where the Dionne quints were born — 2004-10-16
• Border lake — 2003-11-27
• Where the Dionne quintuplets were born — 2003-06-01
• California 500 race site — 2001-04-14
• Smallest of HOMES — 1998-12-20
• Where Algonquin Park is — 1998-02-15
• London's location — 1997-01-04
• Thunder Bay locale — 1996-04-24
• Sackets Harbor's lake — 1995-10-27
• Least of the Great Lakes — 1994-09-08
• Least great Great Lake — 1994-06-02
• With 16-Across, Canadian speech — 1994-04-20
• London site — 1994-04-12