The success of this cause  ended the House of Bernadotte's reign over another country, which had been in effect since the earlier Treaty of Kiel.
Support intensified for this cause after the arrival of a steamer named Constitution led to the Battle of the Square when students insisted on staging forbidden Constitution Day celebrations. This cause grew out of resentment  at concessions made in the Convention of Moss that followed a short-lived 1814 war. Support for this cause led to the 1899 abolishment of a flag known as the "herring salad" flag. After this cause succeeded, Oscar II refused to let any of his sons become king of a certain nation, while Oscar's earlier refusal to compromise led to the resignation of (*) Christian Michelsen in support of this cause. The success of this cause  ended the House of Bernadotte's reign over another country, which had been in effect since the earlier Treaty of Kiel. For 10 points, what cause succeeded in 1905, marking the end of the union of Sweden and another Scandinavian country?
Support intensified for this cause after the arrival of a steamer named Constitution led to the Battle of the Square when students insisted on staging forbidden Constitution Day celebrations.
Norwegian independence [or the dissolution of the union of Sweden and Norway; accept obvious equivalents, accept anything about Norway breaking away from Sweden; do not accept the "dissolution of Denmark and Norway union"]