1) The Day of Mourning was a 1938 protest organized by Indigenous Australians on the 150th anniversary of British colonization of Australia. 2) Jack Patten and William Cooper campaigned in Aboriginal communities to gain support for the protest and wrote about claiming citizen rights. 3) On the Day of Mourning, Jack Patten read a resolution protesting the treatment of Aboriginal peoples and appealing for full citizenship and equality. A 10-point plan for equality was also approved.