On This Day - What happened 30 April

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On 30 April 313, the two armies clashed at the Battle of Tzirallum, and in the ensuing battle, Daza's forces were crushed. Ridding himself of the imperial purple and dressing like a slave, Daza fled to Nicomedia.

Hooker was routed by Lee at the Battle of Chancellorsville in May, then resigned and was replaced by George Meade. Meade followed Lee north into Pennsylvania and beat him in the Gettysburg Campaign, but then failed to follow up despite Lincoln's demands. At the same time, Grant captured Vicksburg and gained control of the Mississippi River, splitting the far western rebel states.

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.

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.

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.

On 30 April 1943, Lt. Norman Jewell, captain of the submarine HMS Seraph, read the 39th Psalm, and Martin's body was gently pushed into the sea where the tide, aided by the push of the submarine's propellers, would bring it ashore off Huelva on the Spanish Atlantic coast.

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

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.

Ravensbrück was liberated by the Soviets on 30 April.

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.

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.

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

Goebbels was depressed and stated that he would walk around the Chancellery garden until he was killed by the Russian.

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.

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.

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.

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.

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.

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 was taken over by Serbs on 30 April.

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.

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.

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.

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.

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."

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".

At 3:45 a.m. on April 30, 2011, police responded to a fight in front of Hernandez's rented townhouse in Plainville, Massachusetts. A high school friend had been pulled over earlier in the evening after driving Hernandez home from a Boston bar. The driver was weaving in and out of lanes and traveling at 120 miles per hour in a work zone and on a highway with a speed limit of 55 miles per hour. The Massachusetts State Trooper who pulled the car over did not arrest the driver because he recognized Hernandez in the passenger seat. The Plainville police also recognized Hernandez, and told the two to go indoors.

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.

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.

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.

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

The King of Poland and the Grand Duke of Lithuania, Sigismund III Vasa, passed away at the age of 65.

The Dutch politician and Master of Marsch, Robert Jasper van der Capellen, was born in Zutphen, Netherlands.