US ResearchConflictsCivil WarGrand Isle Blockade Operations
Civil War

Grand Isle Blockade Operations

1862
Louisiana
Era
Civil War
Year
1862
Location
Louisiana
Status
Verified engagement
The Combatants

Who Fought

Defeated
Confederacy
VS
Victor
Union
Outcome
Union Navy established blockade at Grand Isle and Barataria Bay cutting off Confederate coastal trade
The Battle

History & Significance

The Battle of Grand Port was fought on 20–27 August 1810 between the British and French navies over the harbour of Grand Port, then in Isle de France, as part of the Mauritius campaign of the Napoleonic Wars. A British squadron of four frigates sought to blockade Grand Port by capturing the fortified Île de la Passe at the port's entrance. The position was seized by a British landing party on 13 August, and when a French squadron under Captain Guy-Victor Duperré approached the bay nine days later, the British squadron's commander, Captain Samuel Pym, decided to lure them into coastal waters wh

Duration
8 days (August 20, 1810 – August 27, 1810)
Historical context

The American Civil War (1861–1865) was the deadliest conflict in American history, killing an estimated 620,000 to 750,000 soldiers and an unknown number of civilians. The Confederate States of America, formed by eleven seceding Southern states, faced the Union in four years of warfare across 23 states and territories. Major engagements included First and Second Bull Run, Antietam (the bloodiest single day in American history, September 17, 1862), Chancellorsville, Gettysburg (July 1–3, 1863), Vicksburg (surrendered July 4, 1863), and Sherman's March through Georgia and the Carolinas (1864–1865). President Lincoln issued the Emancipation Proclamation on January 1, 1863, transforming the war's stated purpose to include the abolition of slavery and enabling the enlistment of approximately 180,000 Black men in the United States Colored Troops. Confederate General Robert E. Lee surrendered to Ulysses S. Grant at Appomattox Court House on April 9, 1865. The war resolved the question of secession and ended American slavery, though Reconstruction would face sustained resistance in its attempt to secure civil rights for formerly enslaved people.

Casualties & Losses

Minimal

Forces Involved

British and French navies

Questions & Answers

Frequently Asked Questions

When did Grand Isle Blockade Operations take place?
Grand Isle Blockade Operations took place in 1862. 8 days (August 20, 1810 – August 27, 1810).
Where was Grand Isle Blockade Operations fought?
Grand Isle Blockade Operations was fought in Louisiana, United States.
What was the outcome of Grand Isle Blockade Operations?
Union Navy established blockade at Grand Isle and Barataria Bay cutting off Confederate coastal trade
What was the significance of Grand Isle Blockade Operations?
The Battle of Grand Port was fought on 20–27 August 1810 between the British and French navies over the harbour of Grand Port, then in Isle de France, as part of the Mauritius campaign of the Napoleonic Wars. A British squadron of four frigates sought to blockade Grand Port by capturing the fortifie
More from this era

Other Civil War Engagements

Battle of Head of Passes (October 1861)
1861
Louisiana
Blockade of the Gulf Coast
1861
Louisiana
CSS Sumter Commerce Raiding Cruise
1861
Louisiana
Capture of CSS Ivy — Lower Mississippi Operations
1861
Louisiana
CSS Manassas (First Confederate Ironclad Action)
1861
Louisiana
Battle of Head of Passes
1861
Louisiana
Baton Rouge Arsenal Seizure (1861)
1861
Louisiana
Battle of Head of Passes — CSS Manassas
1861
Louisiana
CSS Manassas Construction and Service
1861
Louisiana
Shreveport Arsenal Seizure (1861)
1861
Louisiana
Baton Rouge Louisiana
1862
Louisiana
Battle of Forts Jackson and St. Philip
1862
Louisiana
First Battle of Donaldsonville (Union Naval Bombardment)
1862
Louisiana
Tensas Bayou Gunboat Action (1862)
1862
Louisiana
Battle of Chalmette / Fort Jackson area
1862
Louisiana
All battles in Louisiana
Source

Content adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License. Wikipedia source.

Aubrey Research

Explore the history around Louisiana

Aubrey generates in-depth historical research for any location in the US, drawing on NRHP records, battlefield archives, census history and geological data to tell the full story of a place.

Research a location near LouisianaView a free sample report
All Civil War Battles