We've been trying to trace the history of the idea of making the Northwestern Hawaiian Islands and all the ocean around them a national monument, and we get as far back as 1999 at the U.S. Department of the Interior.

NPR: Plans for Hawaiian Monument Laid in 1999

Reagan, who died Saturday at age 93 after a long battle with Alzheimer's disease, is to be buried Friday under a monument on a hilltop overlooking the Pacific Ocean, outside the Ronald Reagan Presidential Library in Simi Valley, California, family spokeswoman Joanne Drake told reporters.

CNN: Reagan observances to span five days