National Guatemala Ratifies UN-backed Treaty Banning Nuclear Tests by Gary Kopycinski on January 13, 2012 Gary Kopycinski Author More in National: Rep. Kelly Condemns FDA Approval of Flavored E-Cigarettes May 6, 2026 Wisconsin Legislative Black Caucus Introduces Constitutional Amendment to Ban Slavery in Wisconsin February 24, 2026 Martha Washington’s Enslaved Maid Ona Judge Made a Daring Escape to Freedom – but the National Park Service Has Erased Her Story From Philadelphia Exhibit February 14, 2026 NEW YORK–(ENEWSPF)–13 January 2012. Guatemala has ratified the United Nations-backed international treaty banning nuclear tests, bringing the number of State parties to 156.