1 April 2015
- 09:5109:51, 1 April 2015 diff hist +996 Coushatta Tribe of Lousiana No edit summary
- 09:4709:47, 1 April 2015 diff hist +1,138 Cowlitz Indian Tribe No edit summary
- 09:4209:42, 1 April 2015 diff hist +1,005 Cree Nation No edit summary
- 09:3809:38, 1 April 2015 diff hist +216 Cree Nation No edit summary
- 09:0009:00, 1 April 2015 diff hist +63 Creek Indians No edit summary
- 09:0009:00, 1 April 2015 diff hist +935 Creek Indians No edit summary
- 08:4408:44, 1 April 2015 diff hist +984 Crow Tribe of Indians No edit summary
- 08:3408:34, 1 April 2015 diff hist +1,065 Concow Indians No edit summary
- 08:3108:31, 1 April 2015 diff hist +243 Comanche Nation No edit summary
- 08:2708:27, 1 April 2015 diff hist +1,126 Colville Tribes No edit summary
- 08:2308:23, 1 April 2015 diff hist +99 Colorado River Indian Tribes No edit summary
- 08:2008:20, 1 April 2015 diff hist +874 Colorado River Indian Tribes No edit summary
- 08:1708:17, 1 April 2015 diff hist +124 Coeur d'Alene Tribe No edit summary
- 08:1408:14, 1 April 2015 diff hist +1,004 Coeur d'Alene Tribe No edit summary
- 08:0908:09, 1 April 2015 diff hist +765 Cocopah Indian Tribe No edit summary
- 07:4707:47, 1 April 2015 diff hist −104 Klallam Tribe No edit summary
- 07:4607:46, 1 April 2015 diff hist +1,148 Klallam Tribe No edit summary
- 07:4307:43, 1 April 2015 diff hist +858 Citizen Potawatomi Nation No edit summary
- 07:4107:41, 1 April 2015 diff hist −165 Chumash People No edit summary
- 07:3907:39, 1 April 2015 diff hist +159 Chumash People No edit summary
- 07:3807:38, 1 April 2015 diff hist +686 Chumash People No edit summary
- 07:3407:34, 1 April 2015 diff hist +33 Apache Indians No edit summary
- 07:2807:28, 1 April 2015 diff hist +42 Choctaw Nation No edit summary
- 07:2707:27, 1 April 2015 diff hist −40 Choctaw Nation No edit summary
- 07:2607:26, 1 April 2015 diff hist +86 Choctaw Nation No edit summary
- 07:1807:18, 1 April 2015 diff hist +1,015 Choctaw Nation No edit summary
- 06:2306:23, 1 April 2015 diff hist +1 Chitimacha Nation No edit summary
- 06:2306:23, 1 April 2015 diff hist +1,018 Chitimacha Nation No edit summary
31 March 2015
- 14:4414:44, 31 March 2015 diff hist −6 Chippewa Cree Tribe No edit summary
- 14:4314:43, 31 March 2015 diff hist +263 Chippewa Cree Tribe No edit summary
- 14:3714:37, 31 March 2015 diff hist +158 Chippewa Cree Tribe No edit summary
- 13:2113:21, 31 March 2015 diff hist +840 Chippewa Cree Tribe No edit summary
- 13:1813:18, 31 March 2015 diff hist +733 Chippewa Tribe No edit summary
- 13:1013:10, 31 March 2015 diff hist +986 Chickasaw Nation No edit summary
- 13:0613:06, 31 March 2015 diff hist −49 Cheyenne and Arapaho Tribes No edit summary
- 13:0413:04, 31 March 2015 diff hist +1,077 Cheyenne and Arapaho Tribes No edit summary
- 13:0113:01, 31 March 2015 diff hist +6 Cheyenne Nation No edit summary
- 12:5912:59, 31 March 2015 diff hist +793 Cheyenne Nation No edit summary
- 12:3412:34, 31 March 2015 diff hist −12 Cherokee Nation No edit summary
- 12:2912:29, 31 March 2015 diff hist −51 Chemehuevi Indian Tribe No edit summary
- 12:2912:29, 31 March 2015 diff hist +938 Chemehuevi Indian Tribe No edit summary
- 12:2412:24, 31 March 2015 diff hist +3 Chehalis Tribe No edit summary
- 12:2312:23, 31 March 2015 diff hist +963 Chehalis Tribe No edit summary
- 12:1912:19, 31 March 2015 diff hist −38 Cayuse Tribe No edit summary
- 12:1712:17, 31 March 2015 diff hist +1,063 Cayuse Tribe No edit summary
- 12:1412:14, 31 March 2015 diff hist −3 Cayuga Nation No edit summary
- 12:1212:12, 31 March 2015 diff hist +986 Cayuga Nation No edit summary
- 12:0912:09, 31 March 2015 diff hist −17 Catawba Indian Nation No edit summary
- 12:0512:05, 31 March 2015 diff hist +1,015 Catawba Indian Nation No edit summary
- 12:0212:02, 31 March 2015 diff hist +830 Cahuilla Indians No edit summary