WHAT ALL HAPPENED APRIL TO AUGUST 1957
Find out what all happened April to August 1957

Suez Crisis: The Suez Canal is reopened following the introduction of UNEF peacekeepers to the region. (24. April 1957)

The Suez Canal is reopened for all shipping after being closed for three months. (10. April 1957)

Greek shipping tycoon Aristotle Onassis buys the Hellenic National Airlines (TAE) and founds Olympic Airlines. (6. April 1957)

The BBC first broadcast The Sky at Night presented by Patrick Moore (24. April 1957)

Prince Karim Husseini Aga Khan IV inherits the office of Imamat as the 49th Imam of Shia Imami Ismaili worldwide, after the death of Sir Sultan Mahommed Shah Aga Khan III. (11. July 1957)

Althea Gibson wins the Wimbledon championships, becoming the first black athlete to do so. (6. July 1957)

The International Atomic Energy Agency is established. (29. July 1957)

Ellen Fairclough is sworn in as Canada's first female Cabinet Minister. (21. June 1957)

U.S. Senator Strom Thurmond begins a filibuster to prevent the Senate from voting on Civil Rights Act of 1957; he stopped speaking 24 hours and 18 minutes later, the longest filibuster ever conducted by a single Senator. (28. August 1957)

The Suez Canal in Egypt is cleared and opens to shipping. (9. April 1957)

Malaysia's constitution comes into force. (27. August 1957)

Rawya Ateya takes her seat in the National Assembly of Egypt, thereby becoming the first female parliamentarian in the Arab world. (14. July 1957)

Carlos Castillo Armas, dictator of Guatemala, is assassinated. (26. July 1957)

Dr. Martin Luther King, Jr. delivered his famous Power of Nonviolence speech at the University of California, Berkeley. (4. June 1957)

The United States and Canada form the North American Aerospace Defense Command (NORAD). (1. August 1957)

At Malden Island in the Pacific, Britain tests its first hydrogen bomb in Operation Grapple. (15. May 1957)

United Kingdom agrees to Singaporean self-rule. (11. April 1957)

The Republic of Tunisia is proclaimed. (25. July 1957)

In Roth v. United States, the U.S. Supreme Court rules that obscenity is not protected by the First Amendment. (24. June 1957)

American Bandstand, a show dedicated to the teenage "baby-boomers" by playing the songs and showing popular dances of the time, debuts on the ABC television network. (5. August 1957)