paragraph_text: India Nuclear programme start date 1967 First nuclear weapon test 18 May 1974 First fusion weapon test 11 May 1998 Most recent test 13 May 1998 Largest - yield test 20 - 60 kt total Number of tests to date 6 Peak stockpile 110 - 120 Current stockpile 110 - 120 Maximum missile range 5,000 - 5,800 km (Agni - V) NPT Party No Smiling Buddha Declared (Pokhran - II) Disputed (Pokhran - II) 2016 estimate Agni V

paragraph_text: Operation Sunbeam was a series of four nuclear tests conducted at the United States of America's Nevada Test Site in 1962. "Operation Sunbeam" tested small, "tactical" nuclear warheads; the most notable was the "Davy Crockett". "Operation Sunbeam" was also known as "Operation Dominic II".

paragraph_text: North Korea has a military nuclear weapons program and also has a significant quantity of chemical and biological weapons. As of 2003, North Korea is no longer a party to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT). The country has come under sanctions after conducting a number of nuclear tests, beginning in 2006.

paragraph_text: The Demilitarized Zone runs northeast of the 38th parallel; to the south, it travels west. The old Korean capital city of Kaesong, site of the armistice negotiations, originally was in pre-war South Korea, but now is part of North Korea. The United Nations Command, supported by the United States, the North Korean People's Army, and the Chinese People's Volunteers, signed the Armistice Agreement on 27 July 1953 to end the fighting. The Armistice also called upon the governments of South Korea, North Korea, China and the United States to participate in continued peace talks. The war is considered to have ended at this point, even though there was no peace treaty. North Korea nevertheless claims that it won the Korean War.

paragraph_text: During the final stages of World War II in 1945, the United States conducted atomic raids on the Japanese cities of Hiroshima and Nagasaki, the first on August 6, 1945, and the second on August 9, 1945. These two events were the only times nuclear weapons have been used in combat.

paragraph_text: Operation Anvil was a series of 21 nuclear tests conducted by the United States in 1975-1976 at the Nevada Test Site. These tests followed the "Operation Bedrock" series and preceded the "Operation Fulcrum" series.

paragraph_text: Nuclear tests Information Country North Korea Test site Punggye - ri Nuclear Test Site, North Korea Period 2006 -- present Number of tests 6 Test type underground Max. yield ~ 140 kt (U.S. intelligence) 160 kt (Revised estimates from Japanese Government) 250 kt (38 North and revised NORSAR estimate)

paragraph_text: India's decision to conduct nuclear tests in May 1998 and Pakistan's response set back US relations in the region, which had seen renewed US interest during the second Clinton Administration. A presidential visit scheduled for the first quarter of 1998 was postponed and, under the Glenn Amendment, sanctions restricted the provision of credits, military sales, economic assistance, and loans to the government.

paragraph_text: Trinity was the code name of the first detonation of a nuclear weapon. It was conducted by the United States Army at 5: 29 a.m. on July 16, 1945, as part of the Manhattan Project. The test was conducted in the Jornada del Muerto desert about 35 miles (56 km) southeast of Socorro, New Mexico, on what was then the USAAF Alamogordo Bombing and Gunnery Range (now part of White Sands Missile Range). The only structures originally in the vicinity were the McDonald Ranch House and its ancillary buildings, which scientists used as a laboratory for testing bomb components. A base camp was constructed, and there were 425 people present on the weekend of the test.

paragraph_text: During the early years of the Cold War from 1946 to 1958, the United States tested 67 nuclear weapons at its Pacific Proving Grounds located in the Marshall Islands, including the largest atmospheric nuclear test ever conducted by the U.S., code named Castle Bravo. "The bombs had a total yield of 108,496 kilotons, over 7,200 times more powerful than the atomic weapons used during World War II." With the 1952 test of the first U.S. hydrogen bomb, code named "Ivy Mike," the island of Elugelab in the Enewetak atoll was destroyed. In 1956, the United States Atomic Energy Commission regarded the Marshall Islands as "by far the most contaminated place in the world."

paragraph_text: At the Multan meeting, Bhutto also appointed Munir Ahmad Khan as chairman of PAEC, who, until then, had been working as director at the nuclear power and Reactor Division of the International Atomic Energy Agency (IAEA), in Vienna, Austria. In December 1972, Abdus Salam led the establishment of Theoretical Physics Group (TPG) as he called scientists working at ICTP to report to Munir Ahmad Khan. This marked the beginning of Pakistan's pursuit of nuclear deterrence capability. Following India's surprise nuclear test, codenamed Smiling Buddha in 1974, the first confirmed nuclear test by a nation outside the permanent five members of the United Nations Security Council, the goal to develop nuclear weapons received considerable impetus.

paragraph_text: The 2006 North Korean nuclear test was the detonation of a nuclear device conducted by North Korea on October 9, 2006.

paragraph_text: After Indira Gandhi became Prime Minister in 1966, the nuclear program was consolidated when physicist Raja Ramanna joined the efforts. Another nuclear test by China eventually led to India's decision toward building nuclear weapons in 1967 and conducted its first nuclear test, Smiling Buddha, in 1974.

paragraph_text: The Pokhran - II tests were a series of five nuclear bomb test explosions conducted by India at the Indian Army's Pokhran Test Range in May 1998. It was the second instance of nuclear testing conducted by India; the first test, code - named Smiling Buddha, was conducted in May 1974.

paragraph_text: On 29 August 1949, the Soviet Union secretly conducted its first successful weapon test (First Lightning), based on the U.S. design at the Semipalatinsk in Kazakhstan.

paragraph_text: The Pacific Proving Grounds was the name given by the United States government to a number of sites in the Marshall Islands and a few other sites in the Pacific Ocean at which it conducted nuclear testing between 1946 and 1962. The U.S. tested a nuclear weapon (codenamed Able) on Bikini Atoll on 30 June 1946. This was followed by Baker on July 24, 1946.

paragraph_text: Operation Project 56 was a series of 4 nuclear tests conducted by the United States in 1955-1956 at the Nevada Test Site. These tests followed the "Operation Wigwam" series and preceded the "Operation Redwing" series.

paragraph_text: Underground tests in the United States continued until 1992 (its last nuclear test), the Soviet Union until 1990, the United Kingdom until 1991, and both China and France until 1996. In signing the Comprehensive Nuclear - Test - Ban Treaty in 1996, these states have pledged to discontinue all nuclear testing; the treaty has not yet entered into force because of failure to be ratified by eight countries. Non-signatories India and Pakistan last tested nuclear weapons in 1998. North Korea conducted nuclear tests in 2006, 2009, 2013, 2016, and 2017. The most recent confirmed nuclear test occurred in September 2017 in North Korea.

paragraph_text: United States Nuclear program start date 21 October 1939 First nuclear weapon test 16 July 1945 First fusion weapon test 1 November 1952 Last nuclear test 23 September 1992 Largest yield test 15 Mt / 63 PJ (1 March 1954) Total tests 1,054 detonations Peak stockpile 31,255 warheads (1967) Current stockpile (usable and not) 4,000 (2018) (excludes retired and awaiting dismantlement) Current strategic arsenal 1,800 deployed strategic nuclear warheads (2018) Maximum missile range 15,000 km (9,321 mi) (land) 12,000 km (7,456 mi) (sub) NPT party Yes (1968, one of five recognized powers)

paragraph_text: The Nevada National Security Site (N2S2), (though the abbreviation NNSS is still used), previously the Nevada Test Site (NTS), is a United States Department of Energy reservation located in southeastern Nye County, Nevada, about 65 miles (105 km) northwest of the city of Las Vegas. Formerly known as the Nevada Proving Grounds, the site was established on 11 January 1951 for the testing of nuclear devices, covering approximately 1,360 square miles (3,500 km) of desert and mountainous terrain. Nuclear weapons testing at the Nevada Test Site began with a 1 - kiloton - of - TNT (4.2 TJ) bomb dropped on Frenchman Flat on 27 January 1951. Many of the iconic images of the nuclear era come from the NTS. NNSS is operated by National Security Technologies, LLC, a joint venture of Northrop Grumman, AECOM, CH2M Hill, and Babcock & Wilcox.

Question: when did the country now owning Kaesong conduct its first nuclear test?
Answer: October 9, 2006