On This Day - What happened 11 February

Gaius Julius Priscus and, later on, his own brother Marcus Julius Philippus, also known as Philip the Arab, stepped in at this moment as the new Praetorian Prefects Gordian would then start a second campaign. Around February 244, the Sasanians fought back fiercely to halt the Roman advance to Ctesiphon. The eventual fate of Gordian after the battle is unclear. Sasanian sources claim that a battle occurred (Battle of Misiche) near modern Fallujah (Iraq) and resulted in a major Roman defeat and the death of Gordian III.

Prior to Turanshah's arrival at the front facing the French, the Bahriyyah, a junior regiment of the Salihiyyah commanded by Baibars al-Buduqdari, defeated the Crusaders at the Battle of al-Mansurah on 11 February 1250.

In January 1786, Mozart had taken on a new commission for opera. Without doubt his decision was motivated by the appeal that came from the emperor himself, in memory of the sister of the emperor. The welcome sum of 50 ducats was given him by Emperor Joseph II itself. In addition, Mozart produced an opera, called The Impresario.

On 11 February 1929, he signed a concordat and treaty with the Roman Catholic Church. Mussolini tried to win popular support by appeasing the Catholic majority in Italy.

On 11 February 1963, the Beatles recorded ten songs during a single studio session for their debut LP, Please Please Me.

Kissinger unveils the Project Independence plan for US energy independence.

Heath's leadership of the Conservative Party looked increasingly in doubt. Thatcher was not initially seen as the obvious replacement, but she eventually became the main challenger, promising a fresh start. Her main support came from the parliamentary 1922 Committee and The Spectator. She defeated Heath on the first ballot and he resigned the leadership. In the second ballot she defeated Whitelaw, Heath's preferred successor. Thatcher became Conservative Party leader and Leader of the Opposition on 11 February 1975; she appointed Whitelaw as her deputy.

Over 120 reactor proposals in the United States were ultimately cancelled and the construction of new reactors ground to a halt. A cover story in the February 11, 1985, issue of Forbes magazine commented on the overall failure of the U.S. nuclear power program, saying it "ranks as the largest managerial disaster in business history".

Leaving Victor Verster Prison on 11 February, Mandela held Winnie's hand in front of amassed crowds and the press; the event was broadcast live across the world.Driven to Cape Town's City Hall through crowds, he gave a speech declaring his commitment to peace and reconciliation with the white minority, but made it clear that the ANC's armed struggle was not over, and would continue as "a purely defensive action against the violence of apartheid". He expressed hope that the government would agree to negotiations, so that "there may no longer be the need for the armed struggle", and insisted that his main focus was to bring peace to the black majority and give them the right to vote in national and local elections.

On 11 February 2008, a motorcade containing Gusmão came under gunfire one hour after President José Ramos-Horta was shot in the stomach. Gusmão's residence was also occupied by rebels. According to the Associated Press, the incidents raised the possibility of a coup attempt; they have also described as possible assassination attempts and kidnap attempts.

On 11 February 2011, Cruyff returned to Ajax on an advisory basis after agreeing to become a member of one of three "sounding board groups".

On 11 February 2011, Nokia announced a "strategic partnership" with Microsoft, under which it would adopt Windows Phone 7 as its primary operating system on smartphones, and integrate its services and platforms with its own, including Bing as search engine, and integration of Nokia Maps data into Bing Maps. Elop stated that Nokia chose not to use Android because of an apparent inability to "differentiate" its offerings, with critics also noting that his past ties to Microsoft may have also influenced the decision.

In 2011, JC Dragon’s Heart Europe was established to continue the work of The Foundation throughout Europe and Africa.

On 11 February 2011, Nokia announced a partnership with Microsoft that would see Nokia adopt Windows Phone as its primary smartphone platform, and Symbian would be gradually phased out, together with MeeGo. As a consequence, Symbian's market share fell, and application developers for Symbian dropped out rapidly. Research in June 2011 indicated that over 39% of mobile developers using Symbian at the time of publication were planning to abandon the platform.

In 2015, he became the world's first reigning monarch to visit Antarctica, specifically the Norwegian dependency Queen Maud Land.

The data as reported by 11 February 2020 by the WHO was that the death count has passed the one thousand mark and the infection count is at 43 103 confirmed cases.