When Kun declined the terms of the Vix note, Romania acted to enforce the new railway demarcation line. Romania planned to take an offensive action on 16 April 1919. The north battalion was to take Nagykároly and Nagyvárad. This would separate the elite Hungarian Székely division from the rest of the Hungarian army. The north battalion would then outflank the Hungarian Army. Simultaneously, the south battalion would advance to Máriaradna and Belényes.
The Battle of Pork Chop Hill comprises a pair of related Korean War infantry battles during April and July of 1953. These were fought while the United Nations Command (UN) and the Chinese and North Koreans negotiated the Korean Armistice Agreement. In the U.S., they were controversial because of the many soldiers killed for terrain of no strategic or tactical value, although the Chinese lost many times the number of US soldiers killed and wounded. The first battle was described in the eponymous history Pork Chop Hill: The American Fighting Man in Action, Korea, Spring 1953, by S.L.A. Marshall, from which the film Pork Chop Hill was drawn. The UN won the first battle but the Chinese won the second battle.
Late on 16 April, the CIA/Brigade 2506 invasion fleet converged on 'Rendezvous Point Zulu', about 65 kilometres (40 mi) south of Cuba, having sailed from Puerto Cabezas in Nicaragua where they had been loaded with troops and other materiel, after loading arms and supplies at New Orleans.
On 16 April 1972, Kawabata apparently committed suicide by gassing himself, but a number of close associates and friends, including his widow, consider his death to have been accidental, he mistakenly unplugged the gas tap while preparing a bath.
Prime Minister Margaret Thatcher and Home Secretary Douglas Hurd visited Hillsborough the day after the disaster and met survivors.
On 16 April, the HVO (The Croatian Defence Council) launched a spoiling attack on the village of Ahmići, east of Vitez. After the attacking units breached the ARBiH lines and entered the village, groups of irregular HVO units went from house to house, burning them and killing civilians. The massacre in Ahmići resulted in more than 100 killed Bosniak civilians.
On 16 April, forces of Arab commander Ibn al-Khattab destroyed a large Russian armored column in an ambush near Shatoy, killing at least 76 soldiers; in another one, near Vedeno, at least 28 Russian troops were killed.
On April 16, the WHO issued a press release stating that the coronavirus identified by a number of laboratories was the official cause of SARS. The virus was officially named the SARS virus ( The Severe acute respiratory syndrome-related coronavirus )
The Virginia Tech shooting was a school shooting that occurred on April 16, 2007, at West Ambler Johnston Hall and Norris Hall at the Virginia Polytechnic Institute and State University, in Blacksburg, Virginia. Seung-Hui Cho, an undergraduate student at the university and a U.S. resident of South Korean origin, shot and killed 32 people and wounded 17 others with two semi-automatic pistols. Six others were injured jumping out of windows to escape Cho. As police stormed Norris Hall, Cho died by suicide by shooting himself in the head.
On Sunday, 16 April 2017, a constitutional referendum was held, where the voters in Turkey (and Turkish citizens abroad) voted on a set of 18 proposed amendments to the Constitution of Turkey. The amendments include the replacement of the existing parliamentary system with a presidential system. The post of Prime Minister would be abolished, and the presidency would become an executive post vested with broad executive powers. Parliament would be increased from 550 seats to 600 seats. The referendum also called for changes to the Supreme Board of Judges and Prosecutors.
With the new Turkish constitution which got approved in the constitutional referendum on 16 April 2017, Turkey became a country with a Presidential system, the office of prime minister got abolished and the age of candidacy to the parliament was lowered from 25 to 18.