Which event marked the official state of the civil war

At 4:30 am on April 12, 1861, the artillery of the Army of the Southern Confederate States fired the first shots at Fort Sumter, beginning the direct attack on this fortified Union position and the American Civil War.

the answer is false.

i believe that the correct answer is a canadian hero.

explanation: he is celebrated as a national hero in canada for successfully thwarting a united states takeover of canada during the war of 1812.