which president has used the antiquies act most
Presidents and the Antiquities Act. Established in 1906, the Antiquities Act has been used by 16 presidents -- from Theodore Roosevelt to Barack Obama â to designate national monuments.Only three presidents did not use the Act: Richard Nixon, Ronald Reagan and George H.W. Bush.n important conservation tool. The Antiquities Act is special because it allows the president to protect Americaâs wildlands and historical sites as national monuments. The president can use the Antiquities Act to: 1  Protect special natural, historical and cultural areas as national monuments. 2  Change monument boundaries.