June 27th

The national do-not-call registry, formed to combat unwanted telemarketing calls and administered by the Federal Trade Commission, enrolled almost three-quarters of a million phone numbers on its first day.
National Do Not Call Registry
Yugoslav troops invade Slovenia. The attack, which marked the beginning of the Ten-Day War, followed Slovenia's declaration of independence. It was the first of the Yugoslav Wars, a number of ethnic conflicts leading to the break-up of Yugoslavia and resulting in at least 140,000 deaths.
Ten-Day War
The 1980s U.S. intervention in Nicaragua is declared illegal. The International Court of Justice condemned the U.S. paramilitary campaign to overthrow the left-wing Nicaraguan government. The social democratic Sandinistas had begun to redistribute the country's wealth and improve education.
Nicaragua v. United States
The legendary Route 66, running from Chicago to Santa Monica, Calif., was decertified, the victim of the Interstate Highway System.
Nolan Bushnell and Ted Dabney found Atari, Inc. The pioneering video game and home computer company produced arcade classics like the two-dimensional tennis simulator Pong. Especially in the 1970s and 1980s, its products had a large impact on the electronic entertainment industry.
Nolan Bushnell
Police and gays clashed at the Stonewall Inn in New York City, fostering the gay rights movement.
LGBT movements in the United States
The world's first ATM is installed in Enfield, London.
Automated teller machine
The film Moby Dick is premiered. John Huston's adaptation of Herman Melville's homonymous novel, while not having been a great box office success, is today considered an outstanding work, especially for its use of light and color.
Moby Dick (1956 film)
The world's first nuclear power plant is activated. The reactor at Obninsk in present-day Russia remained in operation for 48 years. Today, there are some 400 atomic power plants worldwide. The technology remains controversial, especially due to the unsolved long-term storage of the highly dangerous nuclear waste.
Obninsk Nuclear Power Plant
North Korean troops reach Seoul, UN asks members to aid South Korea, Harry Truman orders US Air Force & Navy into Korean conflict.
Korean War
1st color TV demo (NYC).
The Newbery Medal for children’s literature was first awarded.
Newbery Medal
Joshua Slocum became the first person to successfully circumnavigate the earth alone when he landed his sloop Spray in Newport, R.I., a 46,000-mile trip.
Joshua Slocum
Church of Jesus Christ of Latter-day Saints founder Joseph Smith was murdered by a mob in Carthage, Ill.
Death of Joseph Smith
War of the Austrian Succession: Battle of Dettingen: in Bavaria, King George II of Britain personally leads troops into battle. The last time a British monarch would command troops in the field.
War of the Austrian Succession
Juan Rodriguez Cabrillo claims California for Spain.
Juan Rodríguez Cabrillo