1954: Start-up of the first research reactor.
1950's and 1960's: Bid was made for a first technical strategy involving domestic uranium mining, heavy water reactors and reprocessing.
1957: Parliament made a policy against production of nuclear weapons.
January 1970: Tanum municipality threatened to use their local veto to stop construction of a reprocessing plant in their area.
1972: Start-up of Oskarshamn 1, the first commercial nuclear reactor.
February 1972: Outside of Stockholm, the Swedish military carried out a series of ten underground conventional explosions each using from five to ten grams of plutonium and tens of grams of conventional explosives.
1974: No fewer than 24 nuclear reactors were scheduled at Brodalen, Ringhals, Barsebäck, Oskarshamn, Södermanland, and Forsmark.
1976: Social Democrats lost the federal election, after holding Government for over 40 years.
1976: Establishment of the Government nuclear agency SKI.
1977: First test drilling to find a suitable storage site for high-level nuclear waste.
April 1977: Stipulation Act passed.
November 1977: Skövde and Falköping municipalities, both directly effected by the Ranstad uranium mine, used their local veto to stop further operation of the mine.
December 1977: KBS-1 report published.
September 29, 1978: The Government decision to approve KBS-1 was officially "no", but in practice "yes".
Spring of 1979: Controversy created after the Three Mile Island accident on March 28, 1979 at Harrisburg, U.S.A.
June 1979: KBS-1 method approved by the Government; the Government decided the nuclear waste problem was "solved in a completely safe manner".
March 23, 1980: Referendum on nuclear power, with the result that the Government decided to phase out all nuclear power by the year 2010.
April 21, 1980: "Save Kynnefjäll" (Rädda Kynnefjäll) posted a 24 hour watch over the roadway leading to an intended test drilling site for a high-level nuclear waste storage facility. The non-stop 24 hour guard continues at the time of this writing.
1981: PRAV was disbanded after protest by environmentalists.
February 24, 1981: After two days of blocking a road and thus stopping test drilling for a high-level nuclear waste storage site, 25 members of Save The Voxna Valley ("Rädda Voxnadalen") were arrested. These were the first arrests in Sweden in an anti-nuclear protest.
May 1981: The Waste Network was formed at a meeting in Edsbyn, Voxna Valley.
1982: The Financing Act established that the nuclear power companies must pay into a fund enough money to cover the total cost of waste management.
1982: The pro-nuclear Social Democrats were re-elected to power.
1982: Spent fuel from Swedish nuclear reactors was sent to the reprocessing plant in La Hague, France.
1983: Test drilling for a high-level nuclear waste storage site at Klipperås began.
June 1983: Parliament approved SFR-1.
Spring of 1984: KBS 3 approved by the Government and the latest two reactors received fueling permission.
1985: Attempt made by the Government to weaken the municipal veto right.
April 1985: The official reason given for the first Swedish nuclear strategy, energy self-sufficiency, was revealed to be a nuclear weapons program in civilian disguise.
October 1985: SKB attempted test drilling for a high-level nuclear waste storage site at Almunge to the east of Uppsala. After a couple of months the drilling machine was moved out of the area due to local civil disobedience which stopped the drilling machine from working.
December 1985: The Environment Minister announced an end to Sweden's uranium exploration program. Thus, all plans for uranium mining in Sweden were stopped, and purchases from abroad must continue.
1986: Nuclear companies calculated that every Swede has to pay a one time sum of 6,000 crowns (US$925) for "their" part of the waste; making a total of 48 billion crowns (US$7.4 billion).
June 1986: Trade deal made between Sweden, France and West Germany whereby 24 tonnes of West German spent MOX-fuel is meant to replace 57 tonnes of Swedish spent fuel Sweden sent to France for reprocessing.
November 1986: The Energy Council estimated that more than 15 billion crowns (US$2.3 billion) were missing from the waste fund.
July 9, 1987: The first of eight shipments of West German spent MOX-fuel was made by the Swedish vessel SIGYN from Lübeck, West Germany to Simpevarp, Sweden.
July 31, 1987: After taking part in a guided tour, 12 people opposed to SFR-1 occupied an under seabed tunnel and were arrested.
February 16, 1988: In a victory for the anti-nuclear movement, SIGYN was refused permission by the West German regional government of Schleswig-Holstein (with jurisdiction over the Lübeck harbor) to load the eighth and last shipment of spent MOX-fuel destined for CLAB.
April 27, 1988: The first containers of low- and medium-level nuclear waste were put down in SFR-1.