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accident; disaster; incident; uprising; emergency
この事変をきっかけに戦争が始まった。
This incident triggered the start of the war.
事変の経緯を詳細に記録した文献がある。
There are documents recording the course of the incident in detail.
事変の収拾に政府が全力を挙げた。
The government made every effort to resolve the incident.