In psychiatry, the definition is implies that the belief is pathological. A hallucination is a perception in the absence of a stimulus. In a stricter sense, hallucinations are defined as perceptions in a conscious and awake state in the absence of external stimuli which have qualities of real perception.
Warsaw Uprising. For other uses, see Warsaw Uprising (disambiguation). The Warsaw Uprising (Polish: Powstanie Warszawskie; German: Warschauer Aufstand) was a major World War II operation by the Polish resistance Home Army (Polish: Armia Krajowa) to liberate Warsaw from German occupation.
Warsaw Uprising. Warsaw Uprising, (August-October 1944), insurrection in Warsaw during World War II by which Poles unsuccessfully tried to oust the German army and seize control of the city before it was occupied by the advancing Soviet army.