Which battle marked the first significant victory for the Union during the Civil War?

First Battle of Bull Run

The First Battle of Bull Run, also known as the Battle of Manassas, marked the first major land battle of the American Civil War. On July 21, 1861, Union and Confederate armies clashed near Manassas Junction, Virginia.

Explanation:

The battle at Fort Sumter

Explanation:

The battle at Fort Sumter took place on Apr 12, 1861 - Apr 13, 1861. It was the first battle of the civil war and a confederate victory.

the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation.

during world war ii