On This Day - What happened 13 March

The running of the Empire during this time was mainly left to his grandmother and mother (Julia Soaemias). Seeing that her grandson's outrageous behavior could mean the loss of power, Julia Maesa persuaded Elagabalus to accept his cousin Alexander Severus as caesar (and thus the nominal emperor-to-be). However, Alexander was popular with the troops, who viewed their new emperor with dislike: when Elagabalus, jealous of this popularity, removed the title of caesar from his nephew, the enraged Praetorian Guard swore to protect him. Elagabalus and his mother were murdered in a Praetorian Guard camp mutiny.

Galileo began his telescopic observations in the later part of 1609, and by March 1610 was able to publish a small book, The Starry Messenger (Sidereus Nuncius), describing some of his discoveries: mountains on the Moon, lesser moons in orbit around Jupiter, and the resolution of what had been thought to be very cloudy masses in the sky (nebulae) into collections of stars too faint to see individually without a telescope. Other observations followed, including the phases of Venus and the existence of sunspots.

On 13 March, the powers at the Congress of Vienna declared Napoleon an outlaw. Four days later, Great Britain, Russia, Austria, and Prussia each pledged to put 150,000 men into the field to end his rule.

The Revolutions of 1848 in the Austrian Empire were a set of revolutions that took place in the Austrian Empire from March 1848 to November 1849.

On March 13, after warnings by the police against public demonstrations went unheeded, the army charged a group of people returning from a meeting in the Tiergarten, leaving one person dead and many injured.

In the early morning hours of 13 March 1895, the South Fifth Avenue building that housed Tesla's lab caught fire. It started in the basement of the building and was so intense Tesla's 4th floor lab burned and collapsed into the second floor. The fire not only set back Tesla's ongoing projects, it destroyed a collection of early notes and research material, models, and demonstration pieces, including many that had been exhibited at the 1893 Worlds Colombian Exposition. Tesla told The New York Times "I am in too much grief to talk. What can I say?" After the fire Tesla moved to 46 & 48 East Houston Street and rebuilt his lab on the 6th and 7th floors.

After a succession of defeats, the Boers realized that against such overwhelming numbers of troops, they had little chance of defeating the British and so became demoralized. Roberts then advanced into the Orange Free State from the west, putting the Boers to flight at the Battle of Poplar Grove and capturing Bloemfontein, the capital, unopposed on 13 March with the Boer defenders escaping and scattering. Meanwhile, he detached a small force to relieve Baden-Powell.

On 13 March 1920 during the Kapp Putsch, 12,000 Freikorps soldiers occupied Berlin and installed Wolfgang Kapp, a right-wing journalist, as chancellor.

On March 13, 1953, Sinatra met with Capitol Records vice president Alan Livingston and signed a seven-year recording contract.

The Battle of Dien Bien Phu occurred in 1954 between Việt Minh forces under Võ Nguyên Giáp, supported by China and the Soviet Union, and the French Union's French Far East Expeditionary Corps, supported by US financing and Indochinese allies. The battle was fought near the village of Điện Biên Phủ in northern Vietnam and became the last major battle between the French and the Vietnamese in the First Indochina War.

On March 13, Microsoft went public (Public Company).

On 13 March 1997 Teresa resigned as head of the Missionaries of Charity.

On March 13, 1998, JTS sold the Atari name and assets to Hasbro Interactive for $5 million, less than a fifth of what Warner Communications had paid 22 years earlier. This transaction primarily involved the brand and intellectual property, which now fell under the Atari Interactive division of Hasbro Interactive. The brand name changed hands again in December 2000 when French software publisher Infogrames took over Hasbro Interactive.

The Rock then defeated Big Show, on the March 13 episode of Raw Is War, to regain the right to face the WWF Champion, Triple H, at WrestleMania 2000 in a Fatal Four-way elimination match, also including Big Show and Mick Foley.

Johnny Chen was then evacuated to Hong Kong, he died on March 13.

In March 2009, he was hospitalized due to heart problems. He postponed his one-man tour for surgery to replace his aortic valve, repair his mitral valve, and correct his irregular heartbeat. The surgery was completed on March 13, 2009, at the Cleveland Clinic.

On 13 March 2013, North Korea confirmed it ended the 1953 Armistice and declared North Korea "is not restrained by the North-South declaration on non-aggression".

Bergoglio was elected pope on 13 March 2013, the second day of the 2013 papal conclave, taking the papal name Francis.

In March 2013, Carrey announced that he had written a children's book titled How Roland Rolls, about a scared wave named Roland. He described it as "kind of a metaphysical children's story, which deals with a lot of heavy stuff in a really childish way." Carrey self-published the book, which was released in September 2013.

On March 13, 2015, YouTube enabled 360° videos which can be viewed from Google Cardboard, a virtual reality system. YouTube 360 can also be viewed from all other virtual reality headsets. Live streaming of 360° video at up to 4K resolution is also supported.

On 13 March 2018, Solidium, the investment arm of the Finnish government, purchased a 3.3% stake in Nokia valued at €844 million.

Unbelievable is an American drama web television miniseries starring Toni Collette, Merritt Wever, and Kaitlyn Dever. It is about a series of rapes in Washington and Colorado. The show was co-created by Susannah Grant, Ayelet Waldman, and Michael Chabon. All three co-creators and Sarah Timberman, Carl Beverly, and Katie Couric were executive producers. It was released on September 13, 2019, on Netflix.

On 13 March, U.S. President Trump declared a national emergency due to the virus outbreak. The action made federal funds available to respond to the crisis. Per media reports on 15 March, many businesses closed or reduced hours throughout the U.S. as a method to try to combat the virus.

On 13 March, the WHO declared Europe to be the new center of the pandemic after the rate of new cases in Europe surpassed those recorded in other regions of the world apart from China.

On March 13, Donald declared a national emergency, freeing up federal resources.

On March 13, Xerox revealed that they are putting their campaign to acquire HP on hold by postponing additional presentations, interviews with the press, and meetings with HP shareholders. Xerox Vice Chairman and Chief Executive John Visentin cited the COVID-19 pandemic as the main reason and said, "In light of the escalating Covid-19 pandemic, Xerox needs to prioritize health and safety of its employees, customers, partners and affiliates over and above all considerations, including its proposal to acquire HP".

The Prince of Condé died in the Battle of Jarnac at the age of 39.

Michel Blavet was born in Besanon in 1700.