What major event in Georgia's history took place in the 1860s related to the national conflict?

The major event in Georgia's history that took place in the 1860s related to the national conflict is the Civil War. This war, which lasted from 1861 to 1865, was a pivotal moment in American history and had significant implications for the state of Georgia.

As a key Confederate state, Georgia played a vital role in the Civil War, both in terms of providing resources and manpower to the Confederate Army and being the site of crucial battles, such as the Battle of Atlanta. The war had lasting effects on Georgia's economy, society, and politics, leading to significant changes during and after the Reconstruction era.

Understanding this context is essential for recognizing the impact of the Civil War on Georgia and its people, as it shaped the state's trajectory for years to come. The other events listed, such as the American Revolution, the Mexican-American War, and the Great Depression, while important in their own rights, do not relate specifically to the national conflict of the 1860s.