LOUISIANA IN CHAINS: A TEN-PART HISTORY OF SLAVERY. PART 7

Louisiana and the Civil War: Secession, Emancipation, and Black Soldiers

The Civil War transformed Louisiana in ways that reached far beyond the battlefield. The conflict was deeply connected to slavery, the political power built around it, and the growing national struggle over whether slavery would continue. Louisiana’s secession, the Union occupation of New Orleans, the Emancipation Proclamation, and the military service of Black men all contributed to the destruction of slavery and changed the course of the state’s history.

Louisiana seceded from the United States on January 26, 1861, becoming the sixth state to leave the Union. The institution of slavery was central to the state’s decision. Louisiana’s economy and political system depended heavily on enslaved labor, particularly on plantations producing sugar and cotton. Many of the state’s political leaders feared that the growing opposition to slavery would eventually threaten their economic and social system. Following secession, Louisiana joined the Confederate States of America and became an important part of the Confederate war effort. Yet secession did not mean that all Louisianians supported the Confederacy. Loyalties differed throughout the state, and the war created deep divisions among communities and families.

The Union occupation of New Orleans in April 1862 marked a major turning point. Union naval forces under Flag Officer David G. Farragut captured the city, giving the United States control of one of the South’s most important ports. The occupation also brought the federal government into direct contact with thousands of enslaved people seeking freedom. As enslaved men, women, and children escaped plantations and entered Union-controlled territory, military authorities were forced to address their status. Many formerly enslaved people found work supporting the Union military, while others sought protection behind federal lines. New Orleans consequently became an important center for the changing relationship between the Union military and slavery.

The Emancipation Proclamation, issued by President Abraham Lincoln on January 1, 1863, changed the purpose and direction of the war. The proclamation declared enslaved people in areas still in rebellion against the United States to be free. Because much of Louisiana was already under Union control, the proclamation did not apply to every enslaved person in the state. Nevertheless, it represented a major shift in federal policy and established emancipation as a central objective of the Union war effort. In Louisiana, the movement toward freedom was also driven by enslaved people themselves, who escaped plantations, sought refuge with Union forces, and challenged the system that had held them in bondage. Louisiana ultimately abolished slavery through its 1864 state constitution.

One of the most significant developments of the war was the creation of Black Union military units. Thousands of Black men from Louisiana served the Union, including soldiers who became part of the United States Colored Troops. Their service included combat, guarding military installations, transporting supplies, performing labor, and protecting areas under Union control. Black soldiers faced discrimination and unequal treatment within the military, but they nevertheless played an important role in the Union war effort. Their decision to serve was also deeply connected to the struggle for freedom. Many understood military service as a way to defend their communities, challenge slavery, and demonstrate their claim to citizenship and equality.

The participation of Black soldiers had consequences beyond the Civil War itself. Their service challenged racist beliefs that had been used to justify slavery and racial inequality. By wearing the uniform of the United States and fighting for the Union, Black men demonstrated their willingness and ability to defend the nation. Their service also strengthened demands for political rights and citizenship during the Reconstruction era. In Louisiana, Black veterans would become important participants in the political and social changes that followed the war.

The Civil War brought an end to slavery in Louisiana, but freedom did not immediately produce equality. The destruction of slavery created a new social and political order, while former Confederates and white political leaders fought to preserve racial control in different forms. The experiences of emancipation, military service, and Reconstruction would shape Louisiana for generations. The Civil War therefore stands as a defining period in Louisiana history—a time when slavery was challenged, thousands of enslaved people pursued freedom, and Black Louisianians took an active role in determining the future of their state and nation.

Davis, William C. The Louisiana Campaign of 1862: New Orleans and the Fall of the Confederacy. Louisiana State University Press, 1998.

Foner, Eric. The Fiery Trial: Abraham Lincoln and American Slavery. W. W. Norton, 2010.

Hearn, Chester G. The Capture of New Orleans, 1862. Louisiana State University Press, 1995.

United States Colored Troops. Official Records of the Union and Confederate Armies. Government Printing Office, 1880–1901.

United States, National Archives and Records Administration. “Emancipation Proclamation.” National Archives, www.archives.gov/exhibits/featured-documents/emancipation-proclamation. Accessed 12 Aug. 2026.

Winters, John D. The Civil War in Louisiana. Louisiana State University Press, 1963.