On July 25:

1956 - 45 miles south of Nantucket Island, the Italian ocean liner SS Andrea Doria collides with the MS Stockholm in heavy fog and sinks the next day, killing 51.

1956: Egypt seizes Suez Canal
Egypt's president, Colonel Nasser, announces the nationalisation of the Suez Canal Company to provide funding for the construction of the Aswan High Dam.

http://news.bbc.co.uk/onthisday/hi/dates/stor...ewsid_2701000/2701603.stm

July 27 1981:

Adam John Walsh, age six, is abducted from a mall in Hollywood, Florida, and later found murdered.
In the aftermath of the crime, Adam’s father, John Walsh,
became a leading victims’ rights activist and host of the long-running television show America’s Most Wanted.

On July 28:

1945 - A U.S. Army bomber crashed into the 79th floor of New York's Empire State Building, killing 14 people.

At 9:40 a.m. on Saturday July 28 1945, a B-25 Mitchell bomber, piloted by Lieutenant Colonel William F. Smith, Jr., who was flying in a thick fog, accidentally crashed into the north side of the Empire State Building between the 79th and 80th floors, where the offices of the National Catholic Welfare Council were located. One engine shot through the side opposite the impact and another plummeted down an elevator shaft. The fire was extinguished in 40 minutes. Fourteen people were killed in the incident. Elevator operator Betty Lou Oliver survived a plunge of 75 stories inside an elevator, which still stands as the Guinness World Record for the longest survived elevator fall recorded. Despite the damage and loss of life, the building was open for business on many floors the following Monday.

July 29 1972:

Former U.S. Attorney General Ramsey Clark visits North Vietnam
as a member of the International Commission of Inquiry into U.S. War Crimes in Indochina.
This commission was formed to investigate alleged U.S. bombing of non-military targets in North Vietnam.
Clark reported over Hanoi radio that he had seen damage to hospitals, dikes, schools, and civilian areas.
His visit stirred intense controversy at home.
Nothing ever came of Clark's claims, but he was lauded by antiwar activists for pointing out the damage done by the U.S. bombing attacks.
Other Americans condemned Clark as a traitor to the United States.