In June 1964, the National Park Service published a report that proposed making Ellis Island part of a national monument. This idea was approved by Secretary of the Interior Stewart Udall in October 1964. Ellis Island was added to the Statue of Liberty National Monument on May 11, 1965, and that August, President Lyndon B. Johnson approved the redevelopment of the island as a museum and park.
In June 1964 the National Park Service published a report that proposed making Ellis Island part of a national monument This idea was approved by Secretary of the Interior Stewart Udall in October 1964 Ellis Island was added to the Statue of Liberty National Monument on May 11 1965 and that August President Lyndon B Johnson approved the redevelopment of the island as a museum and park