What happened on this day in history April 13 - Timeline

Alexios IV and Isaac II were unable to keep their promises and were deposed by Alexios V. The crusaders again took the city on 13 April 1204, and Constantinople was subjected to pillage and massacre by the rank and file for three days. Many priceless icons, relics, and other objects later turned up in Western Europe, a large number in Venice.

When the crusade entered Constantinople, Alexios III fled and was replaced by his nephew. The Greek resistance prompted Alexios IV to seek continued support from the crusade until he could fulfill his commitments. This ended with his murder in a violent anti-Latin revolt. The crusaders were without ships, supplies, or food, leaving them with little option other than to take by force what Alexios had promised. The Sack of Constantinople involved three days of pillaging churches and killing much of the Greek Orthodox Christian populace. At the conclusion of the sack of Constantinople, most Crusaders viewed the continuation of their mission as an impossibility. In the end, the crusade accomplished nothing toward its goal of liberating Jerusalem.

When Augustine (father) died in 1743, Washington inherited Ferry Farm and ten slaves; his older half-brother Lawrence inherited Little Hunting Creek and renamed it Mount Vernon.

When the American Civil War broke out, the Blackwell sisters aided in nursing efforts. Blackwell sympathized heavily with the North due to her abolitionist roots, and even went so far as to say she would have left the country if the North had compromised on the subject of slavery. However, Blackwell did meet with some resistance on the part of the male-dominated United States Sanitary Commission (USSC) . The male physicians refused to help with the nurse education plan if it involved the Blackwells. In response to the USSC, Blackwell organized with the Woman's Central Relief Association (WCRA). The WCRA worked against the problem of uncoordinated benevolence, but ultimately was absorbed by the USSC. Still, the New York Infirmary managed to work with Dorothea Dix to train nurses for the Union effort.

Major Robert Anderson, commander of the Union's Fort Sumter in Charleston, South Carolina, sent a request for provisions to Washington, and Lincoln's order to meet that request was seen by the secessionists as an act of war. On April 12, 1861, Confederate forces fired on Union troops at Fort Sumter and began the fight.

In rural Georgia, the riot of Jenkins County led to 6 deaths, as well as the destruction of various property by arson, including the Carswell Grove Baptist Church, and 3 black Masonic lodges in Millen, Georgia.

In April 1941, Soviet aid ended with the Soviet–Japanese Neutrality Pact and the beginning of the Great Patriotic War. This pact enabled the Soviet Union to avoid fighting against Germany and Japan at the same time.And in August 1945, the Soviet Union annulled the neutrality pact with Japan.

With the Soviets wary of mounting tensions with Germany and the Japanese planning to take advantage of the European War by seizing resource-rich European possessions in Southeast Asia, the two powers signed the Soviet–Japanese Neutrality Pact in April 1941.

On 13 April 1943 the committee of the Chiefs of Staff met and agreed that they thought the plan should proceed. The committee informed Colonel John Bevan – the head of London Controlling Section, which controlled the planning and co-ordination of deception operations – that he needed to obtain final approval from Churchill.

The Cuban security apparatus knew the invasion was coming, via their extensive secret intelligence network. Nevertheless, days before the invasion, multiple acts of sabotage were carried out, such as the El Encanto fire, an arson attack in a department store in Havana on 13 April that killed one shop worker.

Kasparov was born Garik Kimovich Weinstein in Baku, Azerbaijan SSR (now Azerbaijan), Soviet Union.

The Santiago Conference, 15 April 1972, was the third occasion on which the developing countries have confronted the rich with the need to use trade and aid measures more effectively to improve living standards in the developing world. Discussion centered on the international monetary system and specifically on the South's proposal that a higher proportion of new special drawing rights (SDRs) should be allocated to LDCs as a form of aid (the so-called 'link'). In Santiago, substantial disagreements arose within the Group of 77 (G77) despite pre-conference meetings. There was disagreement over the SDR proposal and between those in the G77 who wanted fundamental changes such as a change in the voting allocations in the South's favor at the IMF and those (mainly the Latin American countries) who wanted much milder reforms.

Their marriage was increasingly strained as he learned of her affair with Dali Mpofu, but he supported her during her trial for kidnapping and assault. He gained funding for her defence from the International Defence and Aid Fund for Southern Africa and from Libyan leader Muammar Gaddafi, but in June 1991 she was found guilty and sentenced to six years in prison, reduced to two on appeal. On 13 April 1992, Mandela publicly announced his separation from Winnie.

On April 13, 2005, Jewell was exonerated completely when Eric Rudolph, as part of a plea deal, pled guilty to carrying out the bombing attack at the Centennial Olympic Park, as well as three other attacks across southern parts of the US.

On April 13, 2007, Google reached an agreement to acquire DoubleClick for $3.1 billion, transferring to Google valuable relationships that DoubleClick had with Web publishers and advertising agencies.

On 13 April 2008, when he reached two years' seniority, Harry was promoted to lieutenant.

On April 13, 2011, the NBA fined Bryant $100,000 for directing a gay slur at referee Bennie Adams in frustration in the previous day's game. The Gay & Lesbian Alliance Against Defamation praised the NBA's decision to fine Bryant, and the Human Rights Campaign said that Bryant's language was a "disgrace" and "distasteful". Bryant stated that he was open to discussing the matter with gay rights groups and wanted to appeal his fine. He later apologized for the use of the word. Bryant and other Lakers appeared in a Lakers public service announcement denouncing his behavior.

On 13 April 2012, the 5th Session of the 12th Supreme People's Assembly appointed Kim Jong-un Chairman of the National Defence Commission.

On 13 April 2016, he was appointment as Prime Minister of Kyrgyzstan.

On 13 April 2017, Berlusconi sold A.C. Milan to Rossoneri Sport Investment Lux for a total of €830 million after a 31-year reign.

On the 12th of April of 2020, In the 83rd situation report by the WHO, it was declared that the number of cases has reached 1,696,588 and that the death tally has surpassed the 100,000 cases with 105,952 deaths.

On 13 April 2020, the IMF said that it "would provide immediate debt relief to 25 member countries under its Catastrophe Containment and Relief Trust (CCRT)" programme.

On April 13, Sanders endorsed Biden in a live-streamed discussion from their homes.

The Royal Military Academy was founded in England.

The Dutch actress Johanna Wattier-Ziesenis was born in the Netherlands in the 18th century.

The British ship, commanded by James Cook, arrives in Matavia Bay, Tahiti, with a botanist on board.

The portrait painter Thomas Lawrence was born in Bristol, England in 1769.

Cairo is occupied by the Ottoman army.

The musician and composer Charles Frederick Horn was born in Germany in 1762.