TreatyChaco Treaty21 Jul 1938 · 17.06° S, 64.99° WOpen on the mapWikipediaOpen on the mapWhat the records sayWhen21 Jul 1938KindTreatyCoordinates17.06° S, 64.99° WPlaced at the country: the source names no closer place.The sourceWikidata: treaties and coupsWikidata contributorsCreative Commons CC0 1.0 (public domain dedication)Source pageNearby in time and placeBolivia → Paraguay (conquest)1935 · Territorial change1936 Bolivian coup d'étatMay 1936 · CoupCatavi Massacre21 Dec 1942 · MassacreBattle of Yrendagüé5 Dec 1934 · BattleBattle of Campo JordánFeb 1933 · Battle