The year 1975 was extremely troubled by the terrorist attacks around the Western world.
January 1 - Watergate scandal: Former U.S. Attorney General John N. Mitchell and White House assistants H. R. Haldeman and John Ehrlichman were found guilty and sentenced on Feb. 21 to 30 months - 8 years in prison.
January 1 - The municipality of Anjala was merged with the municipality of Sippola, which was renamed Anjalankoski. The municipalities of Jepua and Munsala and the countryside of Uusikaarlepyy were annexed to the city of Uusikaarlepyy.
January 1 - The penitentiary penalty was removed from the Finnish penal system by an amendment to the law.
January 1 - The Business Delegation (EVA) begins operations.
January 5 - The cargo ship Lake Illawarra crashes into the Tasman Bridge in Tasmania, killing 12 people.
January 7 - OPEC decides to raise the price of crude oil by 10%.
18 January - The transport of Turkish Cypriot refugees to Turkey begins in Cyprus.
January 19 - The Association of First and Shelter Houses celebrates its 30th anniversary. There were eight first homes in operation in Finland.
January 20 - Minister of Social Affairs and Health Pentti Pekkarinen died of his injuries in a car accident. Reino Karpola, Member of Parliament, was appointed his successor and Toivo Yläjärvi became the new Member of Parliament.
January 20 - Hannu Salama receives the Nordic Council Literature Prize for his novel The Seer Where the Author.
January 25 - A new constitution is passed by the Bangladeshi parliament, which transitioned the country to a one-party system. The Prime Minister, Sheikh Mujibur Rahman, took over the presidency and banned political parties.
January 30 - Thorbjörn Fälldin, chairman of the Swedish Central Party, proposes that President Urho Kekkonen be awarded the Nobel Peace Prize.
February 1 - The SDP's party office in Hakaniemi, Helsinki, was broken into. The act was initially suspected of being political, but it later proved to be an “ordinary” breakthrough.
February 3 - The Ethiopian military government in Derg takes over the country's largest industrial facilities.
February 3 - Morocco demands the territories of Ceuta and Melilla from Spain.
February 7 - Helsinki's new exhibition center was inaugurated in Pasila. At the same time, the Boat 75 exhibition was opened, featuring more than 400 boats.
February 9 - Soviet Soyuz 17 returned to the country.
February 10 - Electrification of the line section between Riihimäki and Seinäjoki was completed.
February 10 - Statistics Finland reported that total energy consumption in Finland in 1974 was five per cent lower than in 1973.
February 11 - Margaret Thatcher becomes the first female leader of the British Conservative Party. He led the Conservatives to victory in the 1979 election, served as the Prime Minister of the United Kingdom for 11 years and resigned from the party in November 1990.
February 15 - South Korean President Park Chung-hee announces that all political prisoners except the Communists will be released. About 40 prisoners were immediately released.
February 23 - 27 people are killed in a train crash in Lillehammer, Norway.
February 24 - Birendra is crowned King of Nepal. He had effectively ruled the country since 1972.
February 28 - 43 people are killed in an accident at Moorgate station on the London Underground.
March 1 - Iranian Shah Muhammad Reza Pahlavi abolishes all political parties in the country and announces the transition to a one-party system.
March 4 - Charlie Chaplin is knighted by Queen Elizabeth II. His nobility was postponed for twenty years because he was suspected of communist sympathy in a 1956 British Foreign Office report and because he had twice married a 16-year-old.