To be added ...
- 1947 – Reports are broadcast that a UFO crash landed in Roswell, New Mexico.
- 1954 - Producer Sam Phillips took an acetate recording of Elvis Presley singing 'That's All Right' to Memphis radio station WHBQ DJ Dewey Phillips.
- 1965 - The Dave Clark Five had their movie, “Catch Us If You Can” (titled “Having a Wild Weekend “ in the U.S.), premiere in London.
- 1967 - The Monkees began a 29-date tour with The Jimi Hendrix Experience as support act. The Experience was dropped after six shows.
- 1970 - Debut of the summer replacement for “The Johnny Cash Show”: “The Everly Brothers Show,” for eleven-weeks.
- 1947 – The Roswell incident, the (supposed) crash of an alien spaceship near Roswell in New Mexico.
- 1953 – Ernesto "Che" Guevara sets out on a trip through Bolivia, Peru, Ecuador, Panama, Costa Rica, Nicaragua, Honduras, and El Salvador.
- 1954 – Elvis Presley makes his radio debut when WHBQ Memphis played his first recording for Sun Records, "That's All Right."
- 1963 - UK TV debut for The Rolling Stones, when they appeared on 'Thank Your Lucky Stars.'
- 1968 - The Yardbirds, with Jimmy Page on lead guitar, played their last gig before splitting up when they appeared in Luton.
- 1980 - Final concert for the original line-up of Led Zeppelin at Eissporthalle, West Berlin at the end of a European tour.
- 1989 - Announcement: For the first time compact discs were out selling vinyl albums.
- 1785 – The dollar is unanimously chosen as the monetary unit for the United States.
- 1885 – Louis Pasteur successfully tests his vaccine against rabies on Joseph Meister, a boy who was bitten by a rabid dog.
- 1957 – John Lennon and Paul McCartney meet for the first time, as teenagers at Woolton Fete, three years before forming the Beatles.
- 1964 - Premiere: The Beatles film 'A Hard Day's Night'at The Pavilion in London.
- 1967 - Pink Floyd, with Syd Barrett, made their first appearance on BBC TV music show “Top Of The Pops” to promote their new single ‘See Emily Play’.
- 1999 – U.S. Army private Barry Winchell dies from baseball-bat injuries inflicted on him in his sleep the previous day by a fellow soldier, Calvin Glover, for his relationship with transgender showgirl and former Navy Corpsman Calpernia Addams.
- 1937 – The luncheon meat,”Spam,” is introduced into the market by the Hormel Foods Corporation.
- 1950 – Zionism: The Knesset passes the Law of Return which grants all Jews the right to immigrate to Israel.
- 1954 - At Sam Phillips’ memphis Recording studio, Scotty Moore, Bill Black,and Elvis Presley attempt an up-tempo version of 'That's All Right.' It would be Presley’s first release for Sun Records.
- 1965 - Paul Kantner and Marty Balin formea Folk-Rock group that would evolve into the Jefferson Airplane.
- 1966 -Chas Chandler from The Animals went to see Jimi Hendrix play at The Cafe Wha in New York City on the recommendation of Rolling Stone Keith Richards' girlfriend. Chandler suggests that Hendrix should come to England. Chandler became his manager.
- 1969 -, The Rolling Stones gave a free concert in London's Hyde Park before an audience of 250,000, a previously arranged concert which took place two days after the death of Brian Jones. Mick Jagger read an extract from Percy Bysshe Shelley's 'Adonais' and released 3,500 butterflies; it was also guitarist's Mick Taylor's debut with the Stones. King Crimson, Family, The Third Ear Band, Screw and Alexis Korner's New Church were also on the bill.
- 1971 – Right to vote: The Twenty-sixth Amendment to the United States Constitution, lowering the voting age from 21 to 18 years, is formally certified by President Richard Nixon.
- 1975 – Arthur Ashe becomes the first black man to win the Wimbledon singles title.
- 1978 - The manufacturing of the new Rolling Stones’ album, “Some Girls,”was halted at EMI's pressing plant after complaints from celebrities including Lucille Ball and Farrah Fawcett, who were featured on the album sleeve.
- 1776 – American Revolution: The United States Declaration of Independence is adopted by the Second Continental Congress.
- 1826 – Thomas Jefferson, third president of the United States, dies the same day as John Adams, second president of the United States, on the fiftieth anniversary of the adoption of the United States Declaration of Independence.
- 1827 – Slavery is abolished in New York State.
- 1831 – Samuel Francis Smith writes My Country, 'Tis of Thee for the Boston, Massachusetts July 4 festivities.
- 1862 – Lewis Carroll tells Alice Liddell a story that would grow into Alice's Adventures in Wonderland and its sequels.
- 1865 – Alice's Adventures in Wonderland is published.
- 1881 – In Alabama, the Tuskegee Institute opens.
- 1886 – The people of France offer the Statue of Liberty to the people of the United States.
- 1939 – Lou Gehrig, recently diagnosed with Amyotrophic lateral sclerosis, informs a crowd at Yankee Stadium that he considered himself "The luckiest man on the face of the earth", then announces his retirement from major league baseball.
- 1950 – Radio Free Europe first broadcasts.
- 1964 = The Rolling Stones appearance on 'Juke Box Jury' was aired on UK TV,
- 1966 – U.S. President Lyndon B. Johnson signs the Freedom of Information Act into United States law. The act went into effect the next year.
- 1976 - At the Black Swan, Sheffield, England.The Clash made their live debut supporting The Sex Pistols.
- 1839 – The first state normal school in the United States, the forerunner to today's Framingham State College, opens in Lexington, Massachusetts with three students.
- 1886 – Karl Benz officially unveils the Benz Patent Motorwagen – the first purpose-built automobile.
- 1886 – The New York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
- 1938 – United States President Franklin D. Roosevelt dedicates the Eternal Light Peace Memorial and lights the eternal flame at Gettysburg Battlefield.
- 1967 - While visiting London, a private party was held at the Speakeasy Club in London, England for the Monkees. Guests included: Three Beatles, Dusty Springfield, Eric Clapton, Lulu and all the members from Manfred Mann, The Who and Procol Harum.
- 1968 -At an impromptu gathering at Joni Mitchell's house in Lookout Mountain, Laurel Canyon, Los Angeles, David Crosby, Stephen Stills and Graham Nash played together for the very first time, although the members of CSN disagree about the actual location.
- 1969 - Brian Jones drowned.
- 1969 - Ray Davies & Robert Wace meet with Reprise Records executives in Burbank, California, to plan the coming autumn's tour, The Kinks' return to America. Reprise has hired writer John Mendelsohn, an avowed Kinks fanatic as a consultant. They lay out the God Save the Kinks PR campaign, including a promo LP (titled Then Now and Inbetween) to reacquaint the American press with the Kinks' catalog. Afterward, they have lunch with WarnerReprise artist & songwriter Randy Newman.
- 1971 - Jim Morrison of The Doors was found dead in a bathtub in Paris, France,
- 1973 - On the last night of a 60 date tour David Bowie announced he was about to retire from live performing (as Ziggy Stardust), with special guest Jeff Beck. The evening was captured on film by DA Pennebaker, and was first broadcast as the final episode of ABC-TV’s In Concert series with the word “Suicide” edited out of the song “Rock and Roll Suicide.” The film was later released to theaters with an accompanying 2 LP soundtrack, but without Jeff Beck.
- 1976 - For the first time since 1969, Brian Wilson played on stage with The Beach Boys at the Anaheim Stadium, California
- 1777 – Vermont becomes the first American territory to abolish slavery.
- 1956 - At RCA Studios in New York, Elvis Presley recorded 'Hound Dog'
- 1964 – U.S. President Lyndon B. Johnson signs the Civil Rights Act of 1964 meant to prohibit segregation in public places.
- 1979 - Sony introduces the Walkman,
- 2005 – The Live 8 benefit concerts takes place in the G8 states and in South Africa.
- 1956 - Elvis Presley appeared on NBC- TV's 'The Steve Allen Show' and is forced to perform 'Hound Dog' to a real Hound Dog.
- 1962 - At the Cavern in Liverpool: Gene Vincent and The Beatles.
- 1963 – ZIP codes are introduced for United States mail.
- 1969 - John Lennon, Yoko Ono and family were involved in a car accident in Golspie, Scotland, forcing Lennon to miss some sessions for the Beatles’ “Abbey Road” album.
- 1980 – "O Canada" officially becomes the national anthem of Canada.
- 1984 – The PG-13 rating is introduced by the MPAA.