Billings was soon contacted for permission to use the song at a military banquet in North Dakota hosted by Tweed Roosevelt, great-grandson of President Theodore Roosevelt.
In 2008, he travelled to San Juan, Puerto Rico to unveil a statue of President Theodore Roosevelt commissioned by then Senate President Kenneth McClintock and House Speaker José Aponte, to commemorate the President's visit to Puerto Rico almost a century before.
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He presented two seminars during Safari Club International (SCI)’s 2005 Convention: Return for the River of Doubt and Theodore Roosevelt Remembered.
Franklin D. Roosevelt | Theodore Roosevelt | Eleanor Roosevelt | Tweed Shire | Franklin Delano Roosevelt | Berwick-upon-Tweed | Roosevelt | Kermit Roosevelt | River Tweed | Tweed | Alice Roosevelt Longworth | St. Luke's-Roosevelt Hospital Center | Theodore Roosevelt, Jr. | Shannon Tweed | Elliott Roosevelt | William M. Tweed | Theodore Roosevelt National Wildlife Refuge Complex | Roosevelt family | James Roosevelt | Roosevelt University | Roosevelt Skerrit | Betsey Cushing Roosevelt Whitney | Wark on Tweed | Tweed River | Theodore Roosevelt National Park | Roosevelt Sykes | Roosevelt Raceway | Roosevelt High School | Bamie Roosevelt | Alice Roosevelt |