| 74884 | July 1 | Event | 1959 – The Party of the African Federation holds its constitutive conference. |
| 74885 | July 1 | Event | 1959 – Specific values for the international yard, avoirdupois pound and derived units (e.g. inch, mile and ounce) are adopted after agreement between the U.S.A., the United Kingdom and other Commonwealth countries. |
| 74886 | July 1 | Event | 1960 – Independence of Somalia. |
| 74887 | July 1 | Event | 1960 – Ghana becomes a republic and Kwame Nkrumah becomes its first President as Queen Elizabeth II ceases to be its head of state. |
| 74888 | July 1 | Event | 1962 – Independence of Rwanda. |
| 74889 | July 1 | Event | 1962 – Independence of Burundi. |
| 74890 | July 1 | Event | 1963 – ZIP codes are introduced for United States mail. |
| 74891 | July 1 | Event | 1963 – The British Government admits that former diplomat Kim Philby had worked as a Soviet agent. |
| 74892 | July 1 | Event | 1966 – The first color television transmission in Canada takes place from Toronto. |
| 74893 | July 1 | Event | 1967 – The European Community is formally created out of a merger with the Common Market, the European Coal and Steel Community, and the European Atomic Energy Commission. |
| 74894 | July 1 | Event | 1967 – Canada celebrates the 100th anniversary of the British North America Act, 1867, which officially made Canada its own federal dominion. |
| 74895 | July 1 | Event | 1968 – The United States Central Intelligence Agency's Phoenix Program is officially established. |
| 74896 | July 1 | Event | 1968 – The Nuclear non-proliferation treaty is signed in Washington, D.C., London and Moscow by sixty-two countries. |
| 74897 | July 1 | Event | 1968 – Formal separation of the United Auto Workers from the AFL–CIO in the United States. |
| 74898 | July 1 | Event | 1970 – President General Yahya Khan abolishes One-Unit of West Pakistan restoring the provinces. |
| 74899 | July 1 | Event | 1972 – The first Gay pride march in England takes place. |
| 74900 | July 1 | Event | 1976 – Portugal grants autonomy to Madeira. |
| 74901 | July 1 | Event | 1978 – The Northern Territory in Australia is granted Self-Government. |
| 74902 | July 1 | Event | 1979 – Sony introduces the Walkman. |
| 74903 | July 1 | Event | 1980 – "O Canada" officially becomes the national anthem of Canada. |
| 74904 | July 1 | Event | 1981 – The Wonderland murders occur in the early morning hours in Los Angeles, allegedly masterminded by businessman and drug dealer Eddie Nash. |
| 74905 | July 1 | Event | 1983 – A North Korean Ilyushin Il-62M jet en route to Conakry Airport in Guinea crashes into the Fouta Djallon mountains in Guinea-Bissau, killing all 23 people on board. |
| 74906 | July 1 | Event | 1984 – The PG-13 rating is introduced by the MPAA. |
| 74907 | July 1 | Event | 1987 – The American radio station WFAN in New York City is launched as the world's first all-sports radio station. |
| 74908 | July 1 | Event | 1990 – German reunification: East Germany accepts the Deutsche Mark as its currency, thus uniting the economies of East and West Germany. |
| 74909 | July 1 | Event | 1991 – The Warsaw Pact is officially dissolved at a meeting in Prague. |
| 74910 | July 1 | Event | 1997 – China resumes sovereignty over the city-state of Hong Kong, ending 156 years of British colonial rule. |
| 74881 | July 1 | Event | 1957 – The International Geophysical Year begins. |
| 74882 | July 1 | Event | 1958 – The Canadian Broadcasting Corporation links television broadcasting across Canada via microwave. |
| 74883 | July 1 | Event | 1958 – Flooding of Canada's Saint Lawrence Seaway begins. |