1 january - The new Swedish FRA law comes into effect.
1 january - New authorities in Sweden will be the Discrimination Ombudsman and the Swedish Transport Agency.
1 january - Höganäs municipality introduces, as the second municipality in Sweden, the euro as a parallel currency.
February 5 – In Sweden, the four party leaders of the agree on the Swedish energy policy, which means that the ban on new construction of nuclear power is lifted.
February 24 – In Sweden, Crown Princess Victoria and Daniel Westling announce that they are engaged and that the wedding will take place on June 19, 2010.
March 25 – Sverker Göranson takes office as the new Commander-in-Chief.
April 17 - In Sweden, the Stockholm district court's verdict against the four defendants in the Pirate Bay trial falls.
May 26 - Eritrean President Isaias Afewerki declares that there is no intention to release Eritrean-Swedish journalist Dawit Isaak, who has been imprisoned in the country without trial since 2001.
June 16 – Sweden's Riksdag decides by a vote of 153-150 that Sweden shall abolish general conscription,[12] which has existed since 1901, in peacetime and from July 1, 2010, replace it with voluntary basic military training.'
June 17 – Member of Parliament Tobias Krantz is appointed as the new Swedish Minister of Higher Education and Research after the departed Lars Leijonborg.
July 1 - Sweden will be the country holding the presidency of the European Union for the next six months, after the Czech Republic.
July 23 – The two Gotland ferries M/S Gotland and HSC Gotlandia II collide just outside Nynäshamn, Sweden. 15 passengers are slightly injured.
July 31 - Six crewmen die when the cargo ship Langeland sinks in Kosterfjorden, Sweden.
September 12 – The first vaccination against the new flu in Sweden is carried out at a test group in Eskilstuna.
September 23 - A very spectacular robbery against a safe deposit in Västberga owned by the security company G4S, is carried out with, among other things, a stolen helicopter. See more on the Helicopter robbery.
October 5 - The UN names Norway as the best country in the world to live in. Sweden is seventh on the list, which means a drop from 2008.
November 1 - AIK wins the Allsvenskan for men and thus becomes Swedish football champions for the first time in eleven years.
