They've never renamed a park before in this type of a situation, where we're linking it up with tourism and branding. Two parks in Canada's north have been renamed. I understand that was as a result of land claims and negotiations. They decided to change Ellesmere Island and Northern Yukon National Park into Ivvavik and Quttinirpaaq following negotiations with the autochtones up there.
On October 3rd, 2012. See this statement in context.