Timeline of events leading to the American Civil War Timeline of events leading to the American Civil War This timeline of events leading up to the American Civil War describes and links to narrative articles and references about many of the events and issues which historians recognize as origins and causes of the Civil War. The pre-Civil War events can be roughly divided into a period encompassing the long-term build-up over many decades and a period encompassing the five-month build-up to war immediately after the election of Abraham Lincoln as President in the Election of 1860, which culminated in the Fall of Fort Sumter (April 1861). Since the early
Bombardment of Fort Stevens Bombardment of Fort Stevens The Bombardment of Fort Stevens occurred in June 1942, in the American Theater and the Pacific Theater of World War II. An Imperial Japanese submarine fired on Fort Stevens, which defended the Oregon side of the Columbia River's Pacific entrance. The Japanese submarine , commanded by Tagami Meiji, had been assigned to sink enemy shipping and attack the enemy on land with its 14 cm deck gun. Transporting a Yokosuka E14Y seaplane, the submarine was manned by a crew of 97. On 21 June 1942, "I-25" had entered U.S. coastal waters, following allied fishing boats to