Assuming that you are asking about the Civil War in the United States (because civil wars happened in many, many other countries at one time or another).
The first shot of the US Civil War happened on April 12, 1861 at 4:30 a.m.; Lieutenant Henry S. Farley, acting upon the command of Captain George S. James fired a single 10-inch mortar round from Fort Johnson at Fort Sumter located in the middle of the Charleston harbor near Charleston, South Carolina.
The Civil War started in Fort Sumter, South Carolina. That was where the first shots were fired. This happened in 1861.
The Confederate states seceded from the Union and fired the first shots.
The first shots fired were April 12, 1861 at Ft. Sumter, Charleston Harbor. SC.
Caesar's Civil War happened in -45-03.
Lincoln was president when the Civil War started and towards the end before he was assassinated, but it's not entirely accurate to say that Lincoln "started" the war. It was caused fundamentally by civil unrest between the north and south of the U.S. The secessionists fired the first shots, at Fort Sumter.
Confederates fired on Ft. Sumter in Charleston Harbor.
Fort Sumter
Confederate Troops
The first shots were artillery fire from the Union's Fort Sumter in South Carolina.
South Carolina
Fort Sumter
yes
Confederates fired the first shots of the war on April 12, 1861 at Ft. Sumter located in the harbor of Charleston, NC.
Sulla's first civil war happened in -88.
The first shots were fired at Fort Sumter, SC
South Carolina
South Carolina.