ANDRIĆGRAD -- Plans for the start of World War I existed 13 months before the Sarajevo assassination and 14 months before Austria-Hungary declared war on Serbia.The Serbian Kingdom soldiers are seen during the Battle of Kolubara (Wikipedia) This can be inferred from a copy of the letter that Director of the Archives of Serbia Miroslav Perišić presented in Andrićgrad, in the RS, Bosnia. Governor of Bosnia-Herzegovina Oskar Potiorek sent this letter to the then Minister of Austria-Hungary Bilinski on May 28, 1913, and its copy was made public at the history department of Kamengrad (Andrićgrad) on Sunday. Perišić noted that...