1. The governor decreed a day of mourning.

2. Circassians commemorate May 21 every year as a day of mourning commemorating the Circassian genocide

3. The Azerbaijani government have declared a day of mourning * The Azeris are renowned for their sense of humour

4. She was a member of the Aborigines Progressive Association (APA), and was involved with various protest events such as the 1938 Day of Mourning.

5. Why else declare what is, after all, only a guesstimate on 31 October, a solemn day of mourning in the Christian calendar and of ghoulish Halloween partying in the Anglo-Saxon world? Sentencedict.com