Coup Atlas Research Database
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61607251957SuccessfulPalace coup

Tunisia, 1957 — palace coup

Tunisia (TUN)North Africa, AfricaJuly 25, 1957

Event Summary

On July 25, 1957, Tunisia's National Constituent Assembly abolished the monarchy, deposed the reigning Husainid monarch Muhammad al-Amin (Lamine Bey), and proclaimed a republic with Prime Minister Habib Bourguiba as its first president. The short-lived Kingdom of Tunisia had existed only since independence from France in March 1956, with Lamine Bey as a largely ceremonial monarch while real power rested with Bourguiba's dominant Neo-Destour party. In the days before the vote, security forces loyal to Bourguiba surrounded the royal palace at Carthage, cut its telephones, placed the royal family under virtual house arrest, and detained several relatives.

The assembly then voted unanimously to end the monarchy and vest the presidency in Bourguiba pending the 1959 constitution. The deposed king was removed to modest quarters and later kept in poor conditions. The republic launched sweeping modernizing reforms but also concentrated near-absolute power in Bourguiba.

Researched Details

Researched

Independent research, added record by record. Hover any label for what it means.

Target identified in Coup Atlas research: Muhammad VIII al-Amin (Lamine Bey), King of Tunisia (deposed, monarchy abolished; confined but not physically harmed)
RESEARCHED NAME
Key figures
Muhammad al-Amin (Lamine Bey, deposed monarch)
Habib Bourguiba (prime minister who became first president)

Sources

The Kingdom of Tunisia lasted from independence on 20 March 1956 until 25 July 1957, when the monarchy was abolished and Tunisia reorganized as a republic, with the National Constituent Assembly appointing Bourguiba as head of state.
SOURCE REVIEWED Wikipedia, "Kingdom of Tunisia" open source ↗
On 15 July 1957 security forces imposed a guard on the royal palace, preventing entry and exit, and police placed surveillance on all roads to it, while in the following days members of the royal family were arrested.
SOURCE REVIEWED Wikipedia, "Kingdom of Tunisia" open source ↗
On 25 July 1957 the assembly voted to end the monarchy, declare Tunisia a republic, and make Bourguiba president; officials then went to the palace, and the 75-year-old deposed king was removed with his family to an old, abandoned palace without water or electricity.
SOURCE REVIEWED Kiddle / Muhammad VIII al-Amin (facts for kids) open source ↗
The National Constituent Assembly voted unanimously for the abolition of the monarchy and the proclamation of the republic on 25 July 1957 and the appointment of Bourguiba as the first president of the Tunisian Republic.
SOURCE REVIEWED History of modern Tunisia (Wikipedia) open source ↗

Editorial Note

Sources agree the monarchy was abolished and Lamine Bey deposed on 25 July 1957 (the Cline dataset date), with Bourguiba installed as first president; the dataset codes this a palace coup with the leader not physically harmed, which fits, though the king and his family were confined in poor conditions afterward. Three Wikipedia-derived sources and a Kiddle summary were read directly. This ended the Husainid dynasty that had ruled Tunis since 1705.

Cross-Reference

Only one dataset carries it. One of the three reference datasets we check against carries this event; the others do not list it. That is not a contradiction — the datasets cover different periods and use different thresholds — but it means the record has had less outside corroboration.

Identifiers for finding this same event in the other datasets:

Cline Center id
61607251957

How the match is made is described in crossref-report.md.

Outcome and Target

Coup Atlas research identifies the target as: Muhammad VIII al-Amin (Lamine Bey), King of Tunisia (deposed, monarchy abolished; confined but not physically harmed).

Baseline coding: Incumbent executive removed from power. Recorded leader fate: deposed; not physically harmed. The baseline file does not name individual targets; researched names are kept in a separate layer.

Baseline Dataset Citation

Cline Center Coup d’État Project Dataset, v2.2.2
Peyton, Buddy, Joseph Bajjalieh, Michael Martin, and Andrea Gerald. 2026. Cline Center Coup d’État Project Dataset. Cline Center for Advanced Social Research. V.2.2.2. February 17. University of Illinois Urbana-Champaign. doi: 10.13012/B2IDB-9651987_V10
⚑ This citation establishes the coded baseline record; use the claim-level sources above for the researched narrative.

Baseline Source-Document Entries

Wikipedia

New York Times

“Bey Fails to Gain Tunisian Support,” by Thomas Brady, July 24, 1957
“Tunis Ousts Bey, Names Bourguiba Head of Republic,” by Thomas F.Brady, July 26, 1957

This is the citation trail carried by the baseline dataset, grouped by outlet and rejoined from the line-wrapped original. Coup Atlas has not independently re-checked every document; read the original before citing a specific claim. URLs the import damaged beyond safe repair are shown as plain text and listed in citations-report.md. How this list is built →

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