On This Day - What happened 23 April

Mozart, the boy wondered, enchanted anyone who was everyone from noblemen to royalty. Leopold revealed his attention and was also no doubt grateful for the hard cash produced by his offspring. The King presented him with music from Wagenseil, Bach, Abel and Handel and at first sight he played them all. He played the King's own organ so well, that people said that playing his organ was better than playing his piano. He then accompanied the Queen in a poem, and the flute player in a piece of flute and piano.

Planck was born in Kiel, Holstein, to Johann Julius Wilhelm Planck and his second wife, Emma Patzig.

On the night of 23–24 April 1915, known as Red Sunday, the Ottoman government rounded up and imprisoned an estimated 250 Armenian intellectuals and community leaders of the Ottoman capital, Constantinople, and later those in other centers, who were moved to two holding centers near Angora (Ankara).

On 23 April, Debrecen was occupied by Romanian forces.

On 23 April, Albert Bormann left the bunker complex and flew to the Obersalzberg. He and several others had been ordered by Hitler to leave Berlin.

On 23 April, Goebbels made the following proclamation to the people of Berlin: I call on you to fight for your city. Fight with everything you have got, for the sake of your wives and your children, your mothers, and your parents. Your arms are defending everything we have ever held dear, and all the generations that will come after us. Be proud and courageous! Be inventive and cunning! Your Gauleiter is amongst you. He and his colleagues will remain in your midst. His wife and children are here as well. He, who once captured the city with 200 men, will now use every means to galvanize the defense of the capital. The battle for Berlin must become the signal for the whole nation to rise up in battle ...".

On 23 April, Himmler met directly with Bernadotte at the Swedish consulate in Lübeck. Representing himself as the provisional leader of Germany, he claimed that Hitler would be dead within the next few days. Hoping that the British and Americans would fight the Soviets alongside what remained of the Wehrmacht, Himmler asked Bernadotte to inform General Dwight Eisenhower that Germany wished to surrender to the Western Allies, and not to the Soviet Union.

On 23 April CPC captured the KMT's capital, Nanjing.

President Gerald Ford had given a televised speech on 23 April, declaring an end to the Vietnam War and all U.S. aid. Frequent Wind continued around the clock, as North Vietnamese tanks breached defenses on the outskirts of Saigon.

On 23 April, a submarine alert was sounded and operations were halted, with Tidespring being withdrawn to deeper water to avoid interception.

In preparation for Operation Beit ol-Moqaddas, the Iranians had launched numerous air raids against Iraq air bases, destroying 47 jets (including Iraq's brand new Mirage F-1 fighter jets from France); this gave the Iranians air superiority over the battlefield while allowing them to monitor Iraqi troop movements.

On 23 April, in a meeting of around 40 students from 21 universities, the Beijing Students' Autonomous Federation (also known as the Union) was formed. It elected CUPL student Zhou Yongjun as chair. Wang Dan and Wu'erkaixi also emerged as leaders. The Union then called for a general class boycott at all Beijing universities. Such an independent organization operating outside of party jurisdiction alarmed the leadership.

On 23 April, the JNA evacuated its personnel by helicopters from the barracks in Čapljina, which was under blockade since 4 March.

Three people died on 23 April 1997, when a bomb exploded in the Russian railway station of Armavir (Krasnodar Krai)

In 1999, Jolie starred in the comedy-drama Pushing Tin, released on 23 April 1999, alongside John Cusack, Billy Bob Thornton, and Cate Blanchett.

On 23 April 2000, a 22-vehicle convoy carrying ammunition and other supplies to an airborne unit was ambushed near Serzhen-Yurt in the Vedeno Gorge by an estimated 80 to 100 "bandits", according to General Troshev.

On April 23, Beijing announced that all primary and secondary schools would be closed for two weeks. A few days before, some colleges in Peking University had been closed because some students had been infected.

On April 23, The WHO issued travel advisories against Beijing, Toronto, and Shanxi Province.

On April 23, China announced that a 53-year-old woman had died on April 19, its first SARS death since June. Two other cases were found, who were both healthcare workers, one of which was the deceased woman's daughter. The outbreak originated from a researcher working on the SARS virus in a lab at the Institute of Virology in Beijing, who inadvertently caught the disease and ended up spreading it to the nurse taking care of him.

On 23 April, he formed a new government with the same allies, reshuffling ministers and amending the government programme.

The first YouTube video, titled Me at the zoo, shows co-founder Jawed Karim at the San Diego Zoo. The video was uploaded on April 23, 2005, and can still be viewed on the site.

Johnson underwent surgery on April 23, 2013 to reattach the torn tendons.

On October 10, 2012, the Daredevil rights reverted to Marvel Studios, which was confirmed by studio president Kevin Feige on April 23, 2013.

On 23 April 2014, OnePlus began its "Smash the Past" campaign. The promotion asked selected participants to destroy their phones on video in an effort to purchase the OnePlus One for $1 (US). Due to confusion, several videos were published by unselected users misinterpreting the promotion and destroying their phones before the promotion start date. OnePlus later revised the rules of their promotion by allowing consumers to donate their old phones. There were 140,000 entrants in the contest with 100 winners.

On April 23, 2014, Slim took control of Telekom Austria, Austria's biggest phone carrier, which has telcos in countries such as Bulgaria, Croatia and Belarus, under a 10-year agreement, was Slim's first successful business acquisition in Europe.

On April 23, 2014, the Federal Communications Commission (FCC) was reported to be considering a new rule that would permit Internet service providers to offer content providers a faster track to send content, thus reversing their earlier net neutrality position.

On April 23, 2014, .blackfriday joined a growing list of ICANN top-level domains (such as—traditionally—.com, .net, and .org).

Goulding appeared on the Major Lazer album Peace Is the Mission on the track "Powerful", alongside Tarrus Riley. The track was released together with the album on 1 June 2015. A preview of the single was revealed on 23 April 2015.

On 23 April 2016, Charles appeared in a comedy sketch for the Royal Shakespeare Company's Shakespeare Live! at the Royal Shakespeare Theatre, to commemorate the 400th anniversary of William Shakespeare's death in 1616. The event was televised live by the BBC. Charles made a surprise entrance to settle the disputed delivery of Hamlet's celebrated line, "To be or not to be, that is the question".

On 23 April 2017, Macron received the most votes in the first round of the presidential election, with 24% of the overall vote and more than 8 million votes all together.

On 23 April 2018, Middleton's third child, Prince Louis, was born at St Mary's Hospital.

As of 23 April, France has reported more than 120,804 confirmed cases, 21,856 deaths, and 42,088 recoveries, ranking fourth in the number of confirmed cases.

The English landscape painter J. M. W. Turner was born in London in 1775.

Robert Fayrfax was born in Deeping Gate, Lincolnshire.

Georg Fabricius was born in Chemnitz, Germany.

"The German Beer Purity Law" (Reinheitsgebot) was endorsed by Duke Wilhelm IV of Bavaria, who added it to the standards for the sale of beer in the state.

The Netherlands purchased De Briel/Vlissingen/Fort Rammekens from England.

The Spanish composer Tomas de Torrejon y Velasco died at the age of 83.

The English explorer Samuel Wallis was born in Cornwall in 1728.

Joan of France, Queen of France, was a catholic saint born on 23 April 1464 and founded several religious orders.