The Palace was destroyed during the Siege of Madrid in the Spanish Civil War.

Entity and relation annotations:
id: 0
type: entity
value: text: the Spanish Civil War
labels: <Event>
id: 1
type: entity
value: text: during the Siege of Madrid
labels: <Date>
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type: entity
value: text: the Siege of Madrid
labels: <Event>
id: 3
type: entity
value: text: Madrid
labels: <Location>
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to_id: 3
labels: Event:Occurs_at:Location
from_id: 2