The American Civil War, which took place between April 12, 1861 and May 26, 1865, took place in the United States between the Union ("the North") and the Confederacy ("the...

Sometimes called the Asia-Pacific War, it was the theater of World War II fought between the Empire of Japan and the Allies in East and Southeast Asia, the Pacific and Indian...

In 1918, Russia erupted into a bloody civil war, which pitted the Reds (Bolsheviks) against their enemies, which included nationalist movements, anti-Bolshevik socialist parties,...

The Battle of the Atlantic was the longest continuous military campaign of World War II, running from 1939 until the defeat of Nazi Germany in 1945, and spanning a significant...

The Axis emerged from successive diplomatic efforts by Germany, Italy, and Japan to secure their own expansionist interests in the mid-1930s. The Axis described its goals as...

The American Civil War, fought between April 12, 1861, and May 26, 1865, in the United States between the Union ("the North") and the Confederacy ("the South"), which was formed...

In World War II, although the United States had an unusually long supply line, leaving it vulnerable to submarine attack, Japan used its submarines primarily for long-range...

In World War II, although the United States had an unusually long supply line, leaving it vulnerable to submarine attack, Japan used its submarines primarily for long-range...

Within hours of the attack on Pearl Harbor, Roosevelt promulgated a new doctrine: unrestricted submarine warfare against Japan. This meant sinking any warship, merchant ship, or...

As a result of the earlier changes, the Royal Navy entered the Second World War as a disparate force of veterans of the First World War, interwar vessels limited by strict...