The Big Hole Battlefield National Monument, established by Executive Order Numbered 1216 of June 23, 1910 , and enlarged by Proclamation Numbered 2339 of June 29, 1939 , is hereby redesignated as the Big Hole National Battlefield. ( Pub. L. 88–24, § 1 , May 17, 1963 , 77 Stat. 18 .) Editorial Notes References in Text Executive Order Numbered 1216 of June 23, 1910 , referred to in text, is not classified to the Code. Proclamation Numbered 2339 of June 29, 1939 ( 53 Stat. 2544 ), referred to in text, is not classified to the Code.