0 0 ▁men ▁of ▁the ▁Army ▁of ▁Northern ▁Virginia ▁across ▁the ▁Pot om ac ▁River ▁at ▁White ' s ▁Ford ▁near ▁Le es burg , ▁Virginia , ▁into ▁Maryland . ▁ ▁September ▁ 1 0 ▁– ▁Francisco ▁Sol ano ▁López ▁is ▁appointed ▁second ▁President ▁of ▁Par agu ay . ▁ ▁September ▁ 1 7 ▁– ▁American ▁Civil ▁War ▁– ▁ ▁Battle ▁of ▁Anti et am : ▁Union ▁forces ▁strateg ically ▁defeat ▁Confeder ate ▁troops ▁at ▁Sh ar ps burg , ▁Maryland , ▁in ▁the ▁blood iest ▁day ▁in ▁U . S . ▁history , ▁with ▁over ▁ 2 2 , 0 0 0 ▁cas ual ties . ▁ ▁American ▁Civil ▁War : ▁The ▁Al leg hen y ▁Ar sen al ▁explos ion ▁results ▁in ▁the ▁single ▁largest ▁civil ian ▁dis aster ▁during ▁the ▁war . ▁ ▁September ▁ 1 9 ▁– ▁American ▁Civil ▁War ▁– ▁Battle ▁of ▁I uka : ▁Union ▁troops ▁under ▁Major ▁General ▁William ▁Rose cr ans ▁defeat ▁a ▁Confeder ate ▁force ▁commanded ▁by ▁Major ▁General ▁Ster ling ▁Price ▁at ▁I uka , ▁Mississippi . ▁ ▁September ▁ 2 2 ▁ ▁Otto ▁von ▁B ism ar ck ▁becomes ▁prime ▁minister ▁of ▁Pr uss ia , ▁following ▁ref us al ▁by ▁the ▁country ' s ▁Land tag ▁to ▁accept ▁the ▁military ▁budget . ▁ ▁American ▁Civil ▁War : ▁The ▁pre lim inary ▁announ cement ▁of ▁the ▁E man cip ation ▁Pro clam ation ▁is ▁made , ▁by ▁U . S . ▁President ▁Abraham ▁Lincoln . ▁ ▁September ▁ 2 9 ▁– ▁Pr