The government announced a day of nationalmourning for the victims.
政府宣布全国为受害者哀悼一日。
《牛津词典》
2
China observed three days of nationalmourning for those killed by the recent earthquake in the province of Sichuan.
为表达对四川地震遇难者的深切哀悼,中国举行了为期三天的全国哀悼日。
3
One of the reasons may be that the nationalmourning for Vidyasagar, whose death followed shortly after, left no room for a recognition of the other bereavement.