What happened 1955AD in United States of America

Monroe began a new battle for control over her career and left Hollywood for the East Coast, where she and photographer Milton Greene founded their own production company, Marilyn Monroe Productions (MMP) – an action that has later been called "instrumental" in the collapse of the studio system. Announcing its foundation in a press conference in January 1955, Monroe stated that she was "tired of the same old sex roles. I want to do better things

Although she appeared in no new film releases in 1955, Hepburn received the Golden Globe for World Film Favorite that year.

Following his graduation from Purdue, Armstrong became an experimental research test pilot. He applied at the National Advisory Committee for Aeronautics (NACA) High-Speed Flight Station at Edwards Air Force Base. NACA had no open positions, and forwarded his application to the Lewis Flight Propulsion Laboratory in Cleveland, where Armstrong made his first test flight on March 1, 1955.

March 1955, Claudette Colvin—a fifteen-year-old black schoolgirl in Montgomery—refused to give up her bus seat to a white man in violation of Jim Crow laws, local laws in the Southern United States that enforced racial segregation. King was on the committee from the Birmingham African-American community that looked into the case; E. D. Nixon and Clifford Durr decided to wait for a better case to pursue because the incident involved a minor.

The World Bank Institute (WBI) was a "global connector of knowledge, learning and innovation for poverty reduction". It aimed to inspire change agents and prepare them with essential tools that can help achieve development results. WBI had four major strategies to approach development problems: innovation for development, knowledge exchange, leadership and coalition building, and structured learning. World Bank Institute (WBI) was formerly known as Economic Development Institute (EDI), established on 11 March 1955 with the support of the Rockefeller and Ford Foundations.

Einstein died in Princeton Hospital early the next morning at the age of 76, having continued to work until near the end.

King began doctoral studies in systematic theology at Boston University and received his Ph.D. degree on June 5, 1955

Armstrong's stint at Cleveland lasted only a couple of months before a position at the High-Speed Flight Station became available, and he reported for work there on July 11, 1955.

For several years Disney had been considering building a theme park. When he visited Griffith Park in Los Angeles with his daughters, he wanted to be in a clean, unspoiled park, where both children and their parents could have fun. He visited the Tivoli Gardens in Copenhagen, Denmark, and was heavily influenced by the cleanliness and layout of the park.= In March 1952 he received zoning permission to build a theme park in Burbank, near the Disney studios. This site proved too small, and a larger plot in Anaheim, 35 miles (56 km) south of the studio, was purchased. To distance the project from the studio‍—‌which might attract the criticism of shareholders‍—‌Disney formed WED Enterprises (now Walt Disney Imagineering) and used his own money to fund a group of designers and animators to work on the plans.Construction work started in July 1954, and Disneyland opened in July 1955; the opening ceremony was broadcast on ABC, which reached 70 million viewers. Although there were early minor problems with the park, it was a success, and after a month's operation, Disneyland was receiving over 20,000 visitors a day; by the end of its first year, it attracted 3.6 million guests.

On September 24, 1955, President Eisenhower suffered a heart attack; his condition was initially believed to be life-threatening. Eisenhower was unable to perform his duties for six weeks. The 25th Amendment to the United States Constitution had not yet been proposed, and the Vice President had no formal power to act. Nonetheless, Nixon acted in Eisenhower's stead during this period, presiding over Cabinet meetings and ensuring that aides and Cabinet officers did not seek power.

Gates was born in Seattle, Washington, on October 28, 1955.

In August 1955, black teenager Emmett Till was brutally murdered after reportedly flirting with a young white woman while visiting relatives in Mississippi. On November 27, 1955, four days before she would make her stand on the bus, Rosa Parks attended a mass meeting at Dexter Avenue Baptist Church in Montgomery that addressed this case as well as the recent murders of the activists George W. Lee and Lamar Smith. The featured speaker was T. R. M. Howard, a black civil rights leader from Mississippi who headed the Regional Council of Negro Leadership.

Nine months later on December 1, 1955, a similar incident occurred when Rosa Parks was arrested for refusing to give up her seat on a city bus.

When Parks refused to give up her seat, a police officer arrested her. As the officer took her away, she recalled that she asked, "Why do you push us around?" She remembered him saying, "I don't know, but the law's the law, and you're under arrest." She later said, "I only knew that, as I was being arrested, that it was the very last time that I would ever ride in humiliation of this kind. ... ". Parks was charged with a violation of Chapter 6, Section 11 segregation law of the Montgomery City code, although technically she had not taken a white-only seat; she had been in a colored section. Edgar Nixon, president of the Montgomery chapter of the NAACP and leader of the Pullman Porters Union, and her friend Clifford Durr bailed Parks out of jail that evening.

On Sunday, December 4, 1955, plans for the Montgomery bus boycott were announced at black churches in the area, and a front-page article in the Montgomery Advertiser helped spread the word. At a church rally that night, those attending agreed unanimously to continue the boycott until they were treated with the level of courtesy they expected, until black drivers were hired, and until seating in the middle of the bus was handled on a first-come basis.

The next day, Parks was tried on charges of disorderly conduct and violating a local ordinance. The trial lasted 30 minutes. After being found guilty and fined $10, plus $4 in court costs, Parks appealed her conviction and formally challenged the legality of racial segregation.

After the success of the one-day boycott, a group of 16 to 18 people gathered at the Mt. Zion AME Zion Church to discuss boycott strategies. At that time Parks was introduced but not asked to speak, despite a standing ovation and calls from the crowd for her to speak; when she asked if she should say something, the reply was, "Why, you've said enough." The group agreed that a new organization was needed to lead the boycott effort if it were to continue. Rev. Ralph Abernathy suggested the name "Montgomery Improvement Association" (MIA). The name was adopted, and the MIA was formed. Its members elected as their president Martin Luther King, Jr., a relative newcomer to Montgomery, who was a young and mostly unknown minister of the Dexter Avenue Baptist Church.

That Monday night, 50 leaders of the African-American community gathered to discuss actions to respond to Parks' arrest. Edgar Nixon, the president of the NAACP, said, "My God, look what segregation has put in my hands!" Parks was considered the ideal plaintiff for a test case against city and state segregation laws, as she was seen as a responsible, mature woman with a good reputation.