Lyndon B. Johnson the Lyndon B. Johnson Space Center in 1973. Texas created a legal state holiday to be observed on August 27 to mark Johnson's birthday, known as Lyndon Baines Johnson Day. The Lyndon Baines Johnson Memorial Grove on the Potomac was dedicated on April 6, 1976. The Lyndon B. Johnson School of Public Affairs was named in his honor, as is the Lyndon B. Johnson National Grassland. Also named for him are Lyndon B. Johnson High School in Austin, Lyndon B. Johnson High School in Laredo, Lyndon B. Johnson Middle School in Melbourne, Florida, and Lyndon B. Johnson Elementary School in
Vice President of the United States voted to acknowledge him as President, setting a momentous precedent for an orderly transfer of presidential power following a president's death, one made explicit by Section 1 of the Twenty-fifth Amendment in 1967. In total, nine vice presidents have succeeded to the presidency intra-term. In addition to Tyler, they are Millard Fillmore, Andrew Johnson, Chester A. Arthur, Theodore Roosevelt, Calvin Coolidge, Harry S. Truman, Lyndon B. Johnson, and Gerald Ford. Even after the precedent regarding presidential succession following a president's death was set, there remained ambiguity in the Article II succession clause regarding a disabled president. What constituted an "inability"?