Fencing duel at the University of Wisconsin--Madison, ca. 1970. (uwdigitalcollections via Flickr cc)
A really intriguing map from Strange Maps showing the correlation between cotton picking areas in 1860 and areas that voted for Barack Obama. Here
Today in 1777, the Articles of Confederation were first agreed and proposed. Well worth marking. Here, here and here.
A rather nice few posts about duelling. Here, here and here.