Comparative dates on which the Nationals won their 26th match, each season:
2016 - 20th May (42nd match of season)
2017 - 21st May (43rd match)
2012 - 22nd May (43rd match)
2015 - 24th May (44th match)
2013 - 26th May (50th match)
2005 - 30th May (51st match)
2014 - 30th May (53rd match)
2010 - 31st May (52nd match)
2006 - 5th June (58th match)
2011 - 5th June (59th match)
2007 - 9th June (62nd match)
2008 - 10th June (66th match)
2009 - 11th July (86th match)
Will need pinch-hitters on this over the next week and a half or so since I'll be out of town.