North Korea–United States relations
North Korea fires a missile which lands in the exclusive economic zone of Japan, according to Japanese Chief Cabinet Secretary Yoshihide Suga.
North Korea fires a suspected intercontinental ballistic missile that lands 200 kilometres off the coast of Japan, within Japan's exclusive economic zone.
Japanese Prime Minister Yoshihide Suga announces that the state of emergency will be lifted in nine prefectures on June 21. However, the government will maintain its quasi-emergency measures in seven prefectures, including Tokyo and Osaka.
Top North Korean official Kim Yong-chol meets with U.S. Secretary of State Mike Pompeo in New York City to discuss the summit set to be held in June.
US President Donald Trump announces that his summit with North Korean leader Kim Jong-un will take place on June 12 in Singapore.
North Korea fires a Hwasong-12 ballistic missile which flies 2,700 km, passing over Hokkaido, northern Japan, prompting the activation of the nationwide J-Alert warning system. This is first time since 2009 that a North Korean missile has passed over Japanese territory.
President Barack Obama orders new sanctions against North Korea in response to 'illicit' nuclear, missile tests.
North Korea sentences American Otto Warmbier, a 21-year-old from Cincinnati, Ohio, studying at the University of Virginia, to 15 years hard labor for removing a political poster from a hotel.
The United States enacts more sanctions on North Korea in response to their alleged involvement in the hacking attack on Sony. The sanctions target the North Korean Special Operation Force and 10 government officials.
The government of Japan lifts some sanctions on North Korea following an agreement to re-investigate the fate of Japanese nationals abducted by North Korean agents in the 1970s and 1980s.
South Korea's Yonhap news agency reports that North Korea has installed an Unha rocket at its Dongchang-ri launch site. Japan is threatening to shoot down the rocket if it manages to stay airborne and threaten Japanese territory.