We wargame for all sorts of reasons: social interaction is one. Looking for a better understanding of history is another.
Recently I've added two really interesting pieces of information to the web site 'The Great Adventure - translations of passages from German official Histories for an infantry regiment, and a field artillery regiment, the translations courtesy of Robert Dunlop.
They can be found at The Great Adventure.
Special Features/ The Battle of Longlier: a case study in infantry tactics
, and also
The Age of Artillery/ The German 60th Field Artillery Regiment on the Marne 1914