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  • Zürich, Switzerland
    Sunday Apr 30, 1905

    Albert Einstein

    First scientific papers

    Zürich, Switzerland
    Sunday Apr 30, 1905

    In 1900, Einstein's paper "Folgerungen aus den Capillaritätserscheinungen" ("Conclusions from the Capillarity Phenomena") was published in the journal Annalen der Physik. On 30 April 1905, Einstein completed his thesis, with Alfred Kleiner, Professor of Experimental Physics, serving as pro-forma advisor. As a result, Einstein was awarded a PhD by the University of Zürich, with his dissertation A New Determination of Molecular Dimensions.




  • Hekou, Honghe, Yunnan, China
    Thursday Apr 30, 1908

    Xinhai Revolution

    Hekou Uprising

    Hekou, Honghe, Yunnan, China
    Thursday Apr 30, 1908

    In April 1908, another uprising was launched in Yunnan, Hekou, called the Hekou Uprising. Huang Mingtang led two hundred men from Vietnam and attacked Hekou on 30 April. Other revolutionaries who participated include Wang Heshun and Guan Renfu. They were outnumbered and defeated by government troops, however, and the uprising failed.




  • Paris, France
    Wednesday Apr 30, 1919

    Hungarian–Romanian War

    French Foreign Minister Stéphen Pichon Summoned Ion I.C. Brătianu

    Paris, France
    Wednesday Apr 30, 1919

    On 30 April, French Foreign Minister Stéphen Pichon summoned Ion I.C. Brătianu, the Romanian representative to the Paris Peace Conference. Romania was told to cease its advance at the Tisza River and retreat to the first demarcation line imposed by the Allied council. Brătianu promised that Romanian troops would not cross the Tisza River.




  • Berlin, Germany
    Monday Apr 30, 1945

    Adolf Hitler

    Death

    Berlin, Germany
    Monday Apr 30, 1945

    On 30 April 1945, Soviet troops were within a block or two of the Reich Chancellery when Hitler shot himself in the head and Braun bit into a cyanide capsule.




  • Germany
    Monday Apr 30, 1945

    Joseph Stalin

    WWII Finished in Europe

    Germany
    Monday Apr 30, 1945

    In April 1945, the Red Army seized Berlin, Hitler committed suicide, and Germany surrendered.




  • Berlin, Germany
    Monday Apr 30, 1945

    Martin Bormann

    Hitler and Braun Committed Suicide

    Berlin, Germany
    Monday Apr 30, 1945

    As Soviet forces continued to fight their way into the centre of Berlin, Hitler and Braun committed suicide on the afternoon of 30 April. Braun took cyanide and Hitler shot himself. Pursuant to Hitler's instructions, their bodies were carried up to the Reich Chancellery garden and burned.




  • Germany
    Monday Apr 30, 1945

    Martin Bormann

    Bormann was named as Party Minister

    Germany
    Monday Apr 30, 1945

    In accordance with Hitler's last wishes, Bormann was named as Party Minister, thus officially confirming his top position in the Party. Grand Admiral Karl Dönitz was appointed as the new Reichspräsident (President of Germany) and Goebbels became head of government and Chancellor of Germany. Goebbels and his wife Magda committed suicide later that day.


  • Berlin, Germany
    Monday Apr 30, 1945

    World War II

    Hitler Committed Suicide

    Berlin, Germany
    Monday Apr 30, 1945

    Two days later after Mussolini's assassination, Hitler committed suicide in besieged Berlin, and he was succeeded by Grand Admiral Karl Dönitz.


  • Japan
    Sunday Apr 30, 1961

    Hachikō

    Yaeko Sakano

    Japan
    Sunday Apr 30, 1961

    Yaeko Sakano, more often referred to as Yaeko Ueno, was an unmarried partner to Hidesaburō Ueno for about 10 years until his death in 1925. Hachikō was reported to have shown great happiness and affection towards her whenever she came to visit him. Yaeko died on 30 April 1961 at the age of 76 and was buried at a temple in Taitō, further away from Ueno's grave, despite her requests to her family members to be buried with her late partner.


  • Washington D.C., U.S.
    Thursday Apr 30, 1970

    Richard Nixon

    Nixon announced the ground invasion of Cambodia

    Washington D.C., U.S.
    Thursday Apr 30, 1970

    He soon instituted phased U.S. troop withdrawals (From Vietnam), but also authorized incursions into Laos, in part to interrupt the Ho Chi Minh trail, which passed through Laos and Cambodia and was used to supply North Vietnamese forces. Nixon announced the ground invasion of Cambodia to the American public on April 30, 1970.


  • Saigon, South Vietnam
    Wednesday Apr 30, 1975

    Vietnam War

    NVA troops entered the city of Saigon

    Saigon, South Vietnam
    Wednesday Apr 30, 1975

    On 30 April 1975, NVA troops entered the city of Saigon and quickly overcame all resistance, capturing key buildings and installations. A tank from the 324th Division crashed through the gates of the Independence Palace at 11:30 am local time and the Viet Cong flag was raised above it. President Dương Văn Minh, who had succeeded Huong two days earlier, surrendered to Colonel Bùi Tín.


  • Saigon, South Vietnam
    Wednesday Apr 30, 1975

    Vietnam War

    The Last U.S. Marines evacuated the embassy by helicopter

    Saigon, South Vietnam
    Wednesday Apr 30, 1975

    In the early morning hours of 30 April, the last U.S. Marines evacuated the embassy by helicopter, as civilians swamped the perimeter and poured into the grounds. Many of them had been employed by the Americans and were left to their fate.


  • Bogota, Colombia
    Monday Apr 30, 1984

    Colombian conflict

    The Assassination of the Justice Minister

    Bogota, Colombia
    Monday Apr 30, 1984

    Pressure from the U.S. government and critical sectors of Colombian society was met with further violence, as the Medellín Cartel and its hitmen, bribed or murdered numerous public officials, politicians and others who stood in its way by supporting the implementation of extradition of Colombian nationals to the U.S. Victims of cartel violence included Justice Minister Rodrigo Lara Bonilla, assassinated in 1984, an event which made the Betancur administration begin to directly oppose the drug lords.


  • Beijing, China
    Sunday Apr 30, 1989

    1989 Tiananmen Square protests

    Zhao Ziyang Returned From Pyongyang

    Beijing, China
    Sunday Apr 30, 1989

    The government's tone grew increasingly conciliatory as Zhao Ziyang returned from Pyongyang on 30 April and resumed his executive authority. In Zhao's view, the hardliner approach was not working, and concession was the only alternative. Zhao asked that the press be opened to report the movement positively, and delivered two sympathetic speeches on 3–4 May.


  • Prijedor, Bosnia and Herzegovania
    Thursday Apr 30, 1992

    Bosnian War

    Prijedor was taken over by Serbs

    Prijedor, Bosnia and Herzegovania
    Thursday Apr 30, 1992

    Prijedor was taken over by Serbs on 30 April.


  • Rusumo, Rwanda
    Saturday Apr 30, 1994

    Rwandan genocide

    The RPF took control of the border crossing at Rusumo

    Rusumo, Rwanda
    Saturday Apr 30, 1994

    After the RPF took control of the border crossing at Rusumo on 30 April, refugees continued to cross the Kagera River, ending up in remote areas of Tanzania.


  • U.S.
    Sunday Apr 30, 1995

    Internet

    The Final restrictions on carrying commercial traffic ended

    U.S.
    Sunday Apr 30, 1995

    The final restrictions on carrying commercial traffic ended on April 30, 1995 when the National Science Foundation ended its sponsorship of the NSFNET Backbone Service and the service ended.


  • Washington, D.C., U.S.
    Sunday Apr 30, 2000

    Dwayne Johnson

    Backlash (2000)

    Washington, D.C., U.S.
    Sunday Apr 30, 2000

    In the following weeks, The Rock continued his feud with Triple H and eventually won his fourth WWF Championship, which he won on April 30, at Backlash, after Stone Cold Steve Austin intervened on his behalf.


  • Tokyo, Japan
    Monday Apr 30, 2007

    Nintendo

    Nintendo acquired an 80% stake

    Tokyo, Japan
    Monday Apr 30, 2007

    On 1 May 2007, Nintendo acquired an 80% stake in video game development company Monolith Soft, previously owned by Bandai Namco. Monolith Soft is best known for developing role-playing games such as the Xenosaga, Baten Kaitos, and Xenoblade series.


  • U.S.
    Thursday Apr 30, 2009

    Ayman al-Zawahiri

    Emergence as al-Qaeda's chief commander

    U.S.
    Thursday Apr 30, 2009

    On April 30, 2009, the U.S. State Department reported that al-Zawahiri had emerged as al-Qaeda's operational and strategic commander and that Osama bin Laden was now only the ideological figurehead of the organization. However, after the 2011 death of bin Laden, a senior U.S. intelligence official was quoted as saying intelligence gathered in the raid showed that bin Laden remained deeply involved in planning: "This compound (where bin Laden was killed) in Abbottabad was an active command-and-control center for al-Qaeda's leader. He was active in operational planning and in driving tactical decisions within al-Qaeda."


  • London, England, U.K.
    Saturday Apr 30, 2011

    Catherine, Duchess of Cambridge

    The Duchess of Cambridge

    London, England, U.K.
    Saturday Apr 30, 2011

    On 29 April 2011, Middleton and Prince William got married in Westminster Abbey, with the day declared a bank holiday in the United Kingdom. Estimates of the global audience for the wedding ranged around 300 million or more, whilst 26 million watched the event live in Britain. On marriage, Catherine assumed the style "Her Royal Highness The Duchess of Cambridge".


  • Menlo Park, California, U.S.
    Tuesday Apr 30, 2019

    Facebook, Inc.

    Pulling Facebook's Apps From Windows Phone

    Menlo Park, California, U.S.
    Tuesday Apr 30, 2019

    In early-April 2019, Facebook announced that it would be pulling its apps from Windows Phone on April 30, 2019, including Facebook, Messenger and Instagram.


  • Geneva, Switzerland
    Thursday Apr 30, 2020

    Covid-19 Pandemic: 2020 Coronavirus outbreak

    April's last Situation Report

    Geneva, Switzerland
    Thursday Apr 30, 2020

    On the 101 situation report of the WHO and the last one of April 2020, the WHO declared that the number of cases has reached 3,090,445 cases and the total death count was 217,769.


  • Asia
    Thursday Apr 30, 2020

    Covid-19 Pandemic: 2020 Coronavirus outbreak

    Almost all of Asia

    Asia
    Thursday Apr 30, 2020

    As of 30 April 2020, cases have been reported in all Asian countries except for Turkmenistan and North Korea, although some suspect these countries also have cases.


  • U.S.
    Thursday Apr 30, 2020

    Covid-19 Pandemic: 2020 Coronavirus outbreak

    One Million Cases Infected in the U.S.

    U.S.
    Thursday Apr 30, 2020

    On April 30, 2020, the United States reached 1 million infections, just over a quarter of the total infections in the world.


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