1844 – Born on October 27th in Göteborg, Sweden. The politician who figured prominently in solving the problems of the Norwegian-Swedish Union.
1871 – Arnoldson became a railway clerk and rose to stationmaster but then left the railway to devote himself entirely to politics.
1881 – He was elected to the Riksdag, the Swedish parliament.
1883 – Arnoldson supported the neutrality of the Nordic countries and helped to found the Swedish Association for Peace and Conciliation.
1890 – Arnoldson made use of all his powers, including his gift for inspiring oratory, in an attempt to shape public opinion in both countries in favour of a peaceful settlement.
1905 – He saw the result of his work in the mutually agreed dissolution of the union.
1908 – He was the co-winner (with Fredrik Bajer) of the Nobel Prize for Peace.
1916 – Died on February 20th in Stockholm.