| American–Algerian War | |||||||
|---|---|---|---|---|---|---|---|
 Brigantine Polly of Newburyport Captured by Algerine Pirates, 1793 | |||||||
| |||||||
| Belligerents | |||||||
 Regency of Algiers |  United States | ||||||
| Commanders and leaders | |||||||
| Muhammad V | Unknown | ||||||
| Casualties and losses | |||||||
| Unknown | 180+ captured 1 brig captured 53 merchant ships captured[2] | ||||||
TheAmerican-Algerian War was astate of conflict which existed between theRegency of Algiers and theUnited States that lasted from 1785 to 1795. Occurring after the U.S. became independent from theBritish Empire as a result of theAmerican Revolutionary War, Algiers declared war on the United States after realizing that Americanmerchant shipping was no longer under the protection of theRoyal Navy.
TheBarbary corsairs operated openly from key ports such asAlgiers andTunis, selling captured goods in local markets. Their tactics evolved to using a single, heavily manned vessel disguised as a small passenger ship, which allowed them to surprise their targets, seize valuables, and enslave crew and passengers. Originally relying heavily on privateering as its main source of revenue, Algiers shifted from a primarily military focus to a more commercial approach in the 18th century. Rather than engaging in costly naval conflicts, European powers like Britain and France often opted to paytribute to avoid losses in ships, cargo, and personnel.[3]
As Spanish power in the Mediterranean declined andSpain’s interest in North Africa waned, Algerine foreign relations reached a balance between British and French interests.[4] For theAmerican colonies, British naval protection had shielded them from corsair attacks. However, after theDeclaration of Independence in 1776, this security was lost. During the Revolutionary War, American ships were protected under the 1778Treaty of Amity and Commerce with France, which explains the absence of recorded attacks on their vessels at that time.[5] The American Revolution led Britain and France to relinquish their colonial influence and withdraw their military forces from the newly formed United States.[6] When the latter obtained its independence in 1783, British diplomats informed the Algiers that U.S. ships were no longer under their protection.[7] American merchant ships in the Mediterranean became targets for the corsairs. Despite the persistent threat, American merchants remained engaged in trade with Mediterranean markets, exporting goods such astobacco,furs,indigo,lumber,sugar, andmolasses while importingsilk,salt,olive oil, and manufactured products.[5] The emergence of the United States as an independent nation without prior diplomatic relationship with Algiers introduced a new factor, which the Algerians swiftly sought to exploit. This aligned with their longstanding strategy toward Europe of “divide and prosper” while also providing a new source of tribute.[8] The Algerian government treated the U.S. in the same manner it had dealt with European powers—both in peace and war. Algerian diplomacy was based on two key principles:[6]
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In 1785,Dey Muhammad ben-Osman Pasha declared war on the United States and his corsairs captured two American ships,Dauphin andMaria, in the Atlantic Ocean. A rumor thatBenjamin Franklin, who was en route from France toPhiladelphia about that time, had been captured by Barbary pirates, caused considerable upset in the U.S.[9] As a result, the U.S. was forced into direct negotiations with the Algerian regency. American envoyJohn Lamb arrived in Algiers on March 25, 1786 to negotiate the release of American prisoners.[6] The dey of Algiers demanded a ransom of $59,496 for the 21 American captives. However, the negotiations failed, as the financially struggling U.S. couldn't afford a navy or the tribute needed for protection. Lamb returned home empty-handed. This marked the first direct political engagement between independent U.S. and Algiers.[6] The U.S. successfully formed a treaty with Morocco in 1786, yet couldn't satisfyAlgiers financially.Thomas Jefferson, thenU.S. Minister toFrance, was inclined to the idea of confronting Algiers with force.[10][11] He wrote in his autobiography:[12]
I was very unwilling that we should acquiesce in the European humiliation of paying a tribute to those lawless pirates and endeavored to form an association of the powers subject to habitual depredations from them.
A proposal was made to form a coalition of naval warships from nations at war with the Barbary states, specifically targeting Algerian vessels and enforcing a maritimeblockade on North Africa.[13] However, when the plan was presented to the relevant countries, France declined, while Spain, having recently concluded a treaty with Algiers, expressed its inability to participate. In contrast,Portugal,Malta,Naples,Venice,Denmark, andSweden supported the initiative. Despite this backing, the project ultimately failed when the U.S. Congress rejected it due to concerns over its financial burden. Meanwhile, the absence of a treaty between the United States and the Regency of Algiers led to increased attacks on American ships.[14] DuringGeorge Washington’s administration, foreign affairs took a backseat to the escalatingFrench Revolutionary Wars, which disrupted American trade in Europe. As a result, relations with Algiers remained unresolved. It was not until February 1792—seven years after American sailors had been captured—that the United States made a renewed diplomatic effort.[15][16]
Thomas Barclay, who had successfully negotiated with Morocco in 1786, was sent to Algiers with the authority to offer up to $100,000 for peace, along with an annual tribute of $13,500 and a ransom payment of $27,000. However, the political landscape had changed; Dey Muhammad had died in mid-1791, and his successor,Dey Hassan Pasha, continued the policy of demanding tribute from European powers. Recognizing that the U.S. lacked both the strength and determination to challenge Algerian corsairs, he saw little reason to negotiate. Consequently, Barclay’s mission ended in failure.[15]
Portugal's conflict with Algiers briefly safeguarded U.S.merchant ships in theAtlantic. However in 1793, a Portuguese-Algeriantruce left American ships vulnerable.[2] The AlgerianXebecs would be free to roam the Atlantic and 11 American ships were captured, while 100 American sailors were enslaved.[17] According to the American historianJohn Baptist Wolf, the dey would consider the $80,000 ransom he was offered to free the captured sailors insufficient, although he was still impressed with the American president George Washington.[18] In 1794, Congress passed theNaval Act, authorizing the creation of a defensive naval fleet. However, the legislation included a provision that would suspend the program if a treaty was reached with Algiers.[19]
US diplomatsJoel Barlow, Joseph Donaldson, and Richard O'Brien securedtreaties with Algiers,Tunis, andTripoli, involving tribute payments.[20][21] The Algiers treaty also released 83 American sailors out of 130 seamen.[22]