Incident Summary:

04/07/1999: A home-made bomb exploded at the Basilica of Valle de los Caidos in El Escorial, Spain, causing damage to the altar, confessionals, and benches on the left side of the building, but no casualties. The bomb damaged the Spanish Civil War memorial where Francisco Franco is buried. The attack was claimed by the 1 October Anti-Fascist Resistance Group (GRAPO) and Israel S. M. was arrested for possible connection to the bombing.




Western Europe

region/u.s. state:


Valle de los Caidos

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Private Citizens & Property
Name of Entity Basilica of Valle de los Caidos
Specific Description The tomb of Francisco Franco and the memorial to the Spanish Civil War inside the basilica
Nationality of Target Spain
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Unknown
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives Unknown Explosive Type
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) No
Perpetrator Group Information
Group Name Claimed Responsibility
First of October Antifascist Resistance Group (GRAPO) Yes (Confirmed: Unknown; Mode: Call (pre-incident))
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 1
Casualty Information
Total Number of Casualties 0 Fatalities / 0 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 0
Number of U.S. Injured 0
Number of Perpetrators Injured 0
“Spain: Home-Made Bomb Attack on Basilica Damages Altar,” EFE, April 7, 1999.
“Spain: Urban Guerillas Claim Bombing of Franco's Tomb,” EFE, April 7, 1999.
Fernando Lazaro, “Spanish Police Hold Youth for Attack on Franco's Tomb,” El Mundo (Internet version), April 11, 1999.