Skanderbeg 's Macedonian campaign was a preemptive campaign Military_operation into the Ottoman Empire in Macedonia by Skanderbeg to defeat Conquering three Ottoman armies which had been prepared GetReady for the joint-invasion of Albania .

Additionally , from the Japanese viewpoint Perception_active , it was seen Traveling as a preemptive strike Attack .

Believing that the Xiongnu were a possible threat Warning , the emperor launched a preemptive strike Attack against the Xiongnu with the intention to expand Expansion his empire .

On 5 June , Israel launched a series of preemptive air strikes against Egyptian airfields , although there is some debate Communication concerning which side caused Causation the war .

although caesar portrayed this invasion as being a preemptive and defensive action , most historians agree Agree_or_refuse_to_act that the wars Hostile_encounter were fought Hostile_encounter primarily to boost Cause_change_of_position_on_a_scale caesar 's political career and to pay Commerce_pay off his massive debts .

India joined Participation the war on 3 December 1971 , after Pakistan launched preemptive air strikes on North India .

The Anglo-Egyptian Darfur Expedition Traveling of 1916 was a military operation Military_operation by British Empire and the Sultanate of Egypt , launched Process_start as a preemptive invasion Attack of the Sultanate of Darfur .

The operation was of limited effectiveness due to several factors , including preemptive action by the Ustaše militia and Italian delays .

The war began Process_start with preemptive aerial strikes on 11 Indian air stations , which led to Causation the commencement of hostilities with Pakistan and Indian entry into the war of independence in East Pakistan on the side of Bengali nationalist forces .