 
 <translate> The question is: The American Civil War was fought in the United States from 1861 to 1865. The result of a long-standing controversy over slavery, war broke out in April 1861, when Confederates attacked Fort Sumter in South Carolina, shortly after Abraham Lincoln was inaugurated. The nationalists of the Union proclaimed loyalty to the U.S. Constitution. They faced secessionists of the Confederate States of America, who advocated for states' rights to perpetual slavery and its expansion in the Americas.

Answer this question based on the passage: when did the first battle of the civil war take place?
Step-by-step reasoning process: The important part for answering this question is: The result of a long-standing controversy over slavery, war broke out in April 1861, when Confederates attacked Fort Sumter in South Carolina, shortly after Abraham Lincoln was inaugurated.
 <ibo> Ajụjụ bụ: A lụrụ Agha Obodo America na United States site na 1861 ruo 1865. Nsonaazụ nke esemokwu dị ogologo oge banyere ịgba ohu, agha ahụ malitere n'April 1861, mgbe ndị Confederates wakporo Fort Sumter na South Carolina, n'oge na-adịghị anya mgbe Abraham Lincoln guzobere. Ndị na-akwado mba nke Union kwupụtara iguzosi ike n'ihe nye Iwu United States. Ha zutere ndị na-achọ ikewapụ onwe ha n'aka ndị Confederate States of America, bụ ndị kwadoro ikike steeti nwere ịgba ohu na mgbasawanye ya na Amerịka.  Zaa ajụjụ a dabere n'akụkụ Akwụkwọ Nsọ a: olee mgbe agha obodo mbụ ahụ weere ọnọdụ? Nzọụkwụ site na Nzọụkwụ: Akụkụ dị mkpa iji zaa ajụjụ a bụ: N'ihi esemokwu dị ogologo oge banyere ịgba ohu, agha tiwapụrụ n'April 1861, mgbe ndị Confederates wakporo Fort Sumter dị na South Carolina, n'oge na-adịghị anya ka e chichara Abraham Lincoln. 