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This Day in American History

August 7

1 historic event on this date

Historical1942

Guadalcanal Campaign Begins

U.S. Marines landed on Guadalcanal in the Solomon Islands, beginning the first major Allied offensive in the Pacific Theater of World War II. The six-month campaign marked the turning point from defensive to offensive operations in the Pacific.

Why It Matters

Guadalcanal demonstrated the determination of American citizen-soldiers in the defense of democratic values and marked the beginning of the long campaign to defeat Imperial Japan.

Explore the Principles Behind the History

Every event in American history connects to the founding principles. Discover the ideas that shaped these moments.

View the 28 Founding Principles