Comparative dates on which the Nationals notched their 25th win, each season:
2012 - 21st May (42nd match of season)
2015 - 22nd May (42nd match)
2013 - 24th May (48th match)
2014 - 25th May (50th match)
2010 - 28th May (49th match)
2005 - 29th May (50th match)
2011 - 2nd June (56th match)
2006 - 4th June (57th match)
2008 - 5th June (61st match)
2007 - 8th June (61st match)
2009 - 5th July (80th match)
Opportunity to surpass 2012 in the next week:
2015 Schedule through 5/31Sat, 5/23 Phillies
Sun, 5/24 Phillies
Mon, 5/25 at Cubs
Tue, 5/26 at Cubs
Wed, 5/27 at Cubs
Thu, 5/28 OFF
Fri, 5/29 at Reds
Sat, 5/30 at Reds
Sun, 5/31 at Reds
2012 Results through 5/31Wed, 5/23 at Phillies - loss
Thu, 5/24 OFF
Fri, 5/25 at Braves - win
Sat, 5/26 at Braves - win
Sun, 5/27 at Braves - win
Mon, 5/28 at Marlins - loss
Tue, 5/29 at Marlins - loss
Wed, 5/30 at Marlins - loss
Thu, 5/31 OFF