8 May – The Swedish Parliament decides to establish the National Board of Health and Welfare from 1 January 1913. [1]
19 May – August Strindberg is buried, and large crowds line the cortege route.[1] Nathan Söderblom officiates at the funeral,[3] which takes place at the 'Nya kyrkogården' (Norra begravningsplatsen) in Stockholm. [4]
2 August – A Swedish study shows that farm trade has increased so much that other trade is suffering. [1]
16 August – The first Swedish aerial photograph is presented. [1]
16 August – Swedish Televerket starts to offer the Lyxtelegram service. [5]
17 September – The Pentecostal church in Skövde is founded as one of the first Pentecostal churches in Sweden.
27 September – 42-year-old Swedish engineer and inventor Gustaf Dalén, director of AGA since 1909, loses his eyesight when an experiment goes wrong. [6]
6 October – DN organises a competition for Sweden's most popular names. Erik wins before Karl, Margit and Anna. [3]