What happened April 2011 AD

A Major report produced by Congress: report by the United States Senate Homeland Security Permanent Subcommittee on Investigations entitled Wall Street and the Financial Crisis: Anatomy of a Financial Collapse (released April 2011).

In April 2011, HTC surpassed Nokia as the third-largest smartphone manufacturer by market share, behind Apple and Samsung.

Kohli played in every match of India's successful World Cup campaign. In the next four group matches he had low scores of 8, 34, 12 and 1 against England, Ireland, Netherlands and South Africa respectively. Having returned to form with 59 against the West Indies, he scored only 24 and 9 in the quarter-final against Australia and semi-final against Pakistan respectively. In the final against Sri Lanka at Mumbai, he scored 35, sharing an 83-run partnership with Gambhir for the third wicket after India had lost both openers within the seventh over chasing 275. This partnership is regarded as "one of the turning points in the match", as India went on to win the match by six wickets and lift the World Cup for the first time since 1983.

On April 3, at WrestleMania XXVII, The Rock opened the show by cutting a promo. After appearing in numerous backstage segments, The Rock came to ringside to restart the main event between Cena and The Miz as a No Disqualification match, after it had ended in a draw. As revenge for the Attitude Adjustment Cena had given him on Raw, Rock hit Cena with the Rock Bottom, allowing The Miz to pin him and retain the WWE Championship.

Privately, he wanted to start, but kept it to himself. O'Neal missed games throughout the season due to an assortment of ailments to his right leg including knee, calf, hip, and Achilles injuries. The Celtics traded away center Kendrick Perkins in February partially due to the expectation that O'Neal would return to fill Perkins' role. The Celtics were 33–10 in games Perkins had missed during the year due to injury, and they were 19–3 in games that O'Neal played over 20 minutes. After requesting a cortisone shot, O'Neal returned April 3 after missing 27 games due to his Achilles; he played only five minutes due to a strained right calf. It was the last regular season game he would play that year.

On April 4, 2011, Obama announced his reelection campaign for 2012 in a video titled "It Begins with Us" that he posted on his website and filed election papers with the Federal Election Commission.

In April 2011, Vodacom rebranded with the Vodafone logo.

The following night on Raw, The Rock and Cena agreed to a match at WrestleMania XXVIII the next year. They then worked together to fend off an attack by The Corre, which at the time consisted of Wade Barrett, Heath Slater, Justin Gabriel, and Ezekiel Jackson.

By 5 April 2011, Nokia ceased to openly source any portion of the Symbian software and reduced its collaboration to a small group of pre-selected partners in Japan. Source code released under the EPL remains available in third-party repositories.

In April 2011, Intercontinental Exchange (ICE), an American futures exchange, and NASDAQ OMX Group had together made an unsolicited proposal to buy NYSE Euronext for approximately US$11,000,000,000, a deal in which NASDAQ would have taken control of the stock exchanges. NYSE Euronext rejected this offer twice, but it was finally terminated after the United States Department of Justice indicated their intention to block the deal due to antitrust concerns.

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.

In an incident outside a Walmart store in San Leandro, California, one man was wounded after being shot following Black Friday shopping at about 1:45 a.m.

On 16 April 2011, it was announced that Harry had been promoted to captain.

Johnson first appeared as the character in Fast Five (2011) and helped catapult the film series into one of the top-grossing movie franchises in history.

In April 2011, James Zern, a YouTube software engineer, revealed that 30% of videos accounted for 99% of views on the site.

Eric Yuan left Cisco in April 2011 with 40 engineers to start a new company, originally named Saasbee, Inc.

On 19 April 2011, Castro resigned from the Communist Party central committee, thus stepping down as party leader. Raúl was selected as his successor. Now without any official role in the country's government, he took on the role of an elder statesman.

Raúl Castro became The First Secretary of the Central Committee of the Communist Party (in office since 19 April 2011).

Following a security intrusion, the PlayStation Network had a temporary suspension of operation which began on April 20, 2011 and affected 77 million registered accounts. Lasting 23 days, this outage was the longest amount of time the PSN had been offline since its inception in 2006.

Zoom was founded by Eric Yuan, a former corporate vice president for Cisco Webex.

Messi scored both goals in his side's 2–0 win in the first leg of the Champions League semi-finals in Madrid, the second of which – a slaloming dribble past three Real players – was acclaimed as one of the best ever in the competition. Although he did not score, he was again important in the second-leg draw that sent Barcelona through to the Champions League final.

The wedding took place on 29 April 2011 in Westminster Abbey, London. A few hours before the ceremony, William's new titles Duke of Cambridge, Earl of Strathearn, and Baron Carrickfergus were announced.

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.