Coup Atlas Research Database
← Back to explorer
62507201969ConspiracyDissident coup

Sudan, 1969 — dissident coup conspiracy

Sudan (SDN)North Africa, AfricaJuly 20, 1969

Event Summary

This entry is coded 20 July 1969, in the consolidation phase immediately following Colonel Gaafar Nimeiry's bloodless coup of 25 May 1969, which ended Sudan's second democratic era and installed a Revolutionary Command Council pursuing Nasserist Arab nationalism in tactical alliance with the Sudanese Communist Party. Nimeiry's coup had itself preempted rival plots by other army factions supported variously by the Communists, Arab nationalists, and conservative religious groups. In the weeks after seizing power the regime arrested civilian politicians, forced senior officers to retire, banned political parties, and moved to neutralize the traditionalist opposition, above all the Ansar sect and its Umma Party, led by the exiled-in-waiting Sadiq al-Mahdi and Imam al-Hadi al-Mahdi.

The July 1969 coding sits in this early period of the May Regime consolidating power against real and suspected counter-plots, before the open confrontation with the Ansar at Aba Island in March 1970.

Researched Details

Researched

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

Target identified in Coup Atlas research: Nimeiry's Revolutionary Command Council held power and suppressed rival factions; Nimeiry ruled until 1985
RESEARCHED NAME
Key figures
Colonel Gaafar Nimeiry (RCC chairman)
Sudanese Communist Party and Arab nationalist officers (RCC factions)
Ansar sect and Umma Party (conservative opposition)

Sources

At the conspiracy's core were nine officers led by Colonel Nimeiry, whose coup preempted plots by other groups, most of which involved army factions supported by the SCP, Arab nationalists, or conservative religious groups.
SOURCE REVIEWED countrystudies.us: Sudan, The Nimeiri Era open source ↗
Dedicated to an independent Sudanese socialism, Nimeiri ordered the arrest of sixty-three civilian politicians, forced senior army officers to retire, and banned all political parties.
SOURCE REVIEWED EBSCO Research Starters: Nimeiri Takes Charge in Khartoum open source ↗
Two antithetical groups who would clearly like to see Nimeiri go were the local communists and the followers of exiled Ansar religious leader Sadiq al-Mahdi.
SOURCE REVIEWED U.S. State Department FRUS 1969-76 vol. E-6, doc. 236 open source ↗
The Ansar sect, led by Imam al-Hadi al-Mahdi from his Aba Island stronghold, demanded a return to democratic government, exclusion of communists, and an end to RCC rule.
SOURCE REVIEWED GlobalSecurity: Sudan, Gaafar Muhammad Nimeiry open source ↗

Editorial Note

No discrete plot is precisely dated 20 Jul 1969 in the sources located this session; the coding sits in the post-25-May-1969-coup consolidation period of the Nimeiry regime preempting counter-plots. Context with strong framing. First Sudan record in the run; distinct from the 13 Jan 1970 Sudan entry in this same batch.

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
62507201969

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

Outcome and Target

Coup Atlas research identifies the target as: Nimeiry's Revolutionary Command Council held power and suppressed rival factions; Nimeiry ruled until 1985.

Baseline coding: Plot discovered and disrupted before execution. Recorded leader fate: remained in office; 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

CSP

Named in the baseline source document; no article citation was recorded.

Chicago Tribune

“SUDAN EXPELS AMERICANS IN ABORTED COUP,” July 22, 1969

Irish Times

“U.S. in Sudan coup plot,” July 21, 1969

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 →

Know something about this event?
Tips are reviewed against sources before anything is added.