Coup Atlas Research Database
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84004292001AttemptedMilitary coup

Philippines, 2001 — military coup attempt

Philippines (PHL)Southeast Asia, AsiaApril 29, 2001

Event Summary

The dataset records an event coded as an attempted military coup in the Philippines on 29 April to 1 May 2001, the episode known as EDSA III, when supporters of the ousted president Joseph Estrada, backed by sympathetic elements in the military and police, attempted to storm the presidential palace and topple President Gloria Macapagal Arroyo. Arroyo had come to power in January 2001 through the EDSA II uprising that drove Estrada from office amid corruption charges, and Estrada's arrest on 25 April 2001 enraged his large base among the urban poor. Tens of thousands of his supporters massed at the EDSA shrine and then, in the early hours of 1 May, marched on Malacanang Palace in a violent bid to reinstate him, clashing with security forces in an assault that some Estrada allied officers hoped would trigger a military withdrawal of support from Arroyo.

The government declared a state of rebellion, and loyal troops and police repelled the mob after fierce fighting that left several dead. The uprising failed, Arroyo held power, and the alleged instigators, including opposition politicians and officers, were charged, though the episode revealed the deep and enduring divisions in Philippine society.

Researched Details

Researched

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

Target identified in Coup Atlas research: President Gloria Macapagal Arroyo repelled the May 2001 EDSA III assault on Malacanang and held power
RESEARCHED NAME
Key figures
Gloria Macapagal Arroyo (president of the Philippines, target)
Joseph Estrada supporters and allied officers (plotters)

Sources

EDSA III took place from 25 April to 1 May 2001, when supporters of ousted president Joseph Estrada gathered after his arrest and marched on Malacanang Palace.
SOURCE REVIEWED Wikipedia, EDSA III open source ↗
Gloria Macapagal Arroyo had come to power in January 2001 through the EDSA II uprising that ousted Estrada.
SOURCE REVIEWED Wikipedia, Gloria Macapagal Arroyo open source ↗
The government declared a state of rebellion as loyal forces repelled the assault on the palace.
SOURCE REVIEWED Wikipedia, EDSA III open source ↗
The uprising failed and Arroyo remained in power, with alleged instigators charged.
SOURCE REVIEWED Wikipedia, EDSA III open source ↗

Editorial Note

Dataset date 29 April 2001 falls within the 25 April to 1 May 2001 EDSA III episode, which climaxed in the 1 May march on Malacanang. Dataset codes it a military coup with leader unharmed, accurate for Arroyo; the event was a popular uprising with alleged military backing rather than a pure military coup, noted. Well documented. Continues the Philippines run, after the many Aquino-era coups in batches 77 to 79.

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
84004292001

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

Outcome and Target

Coup Atlas research identifies the target as: President Gloria Macapagal Arroyo repelled the May 2001 EDSA III assault on Malacanang and held power.

Baseline coding: Coup attempt failed to remove the incumbent. 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.

Wikipedia

Xinhua News Agency

“Philippine Military Officer Disclaims Links to Coup Plot,” April 29, 2001

Washington Post

“Philippines Declares ‘State of Rebellion’: Arrest of Estrada Loyalists Sought for Alleged Attempt to Overthrow New Leader,” May 2, 2001

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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