Short answers, pulled from the story.
University students in Scania launched this modern Pan-Scandinavian movement during the 1840s. This effort became a significant force from 1846 until 1864 when it dwindled after the Second Schleswig-Holstein War.
Absolute monarch Christian VIII of Denmark viewed these gatherings with suspicion while Charles XIV John of Sweden maintained a one-man government that distrusted student initiatives. Political establishments in both countries feared the movement might threaten their authority throughout the early years.
Hans Christian Andersen wrote the text of his poem Jeg er en Skandinav during a visit to the island of Funen in July 1839. Composer Otto Lindblad set the poem to music and published it in January 1840 before its popularity peaked in 1845.
The conflict broke out in 1864 and caused the rapid decline of the entire movement because King Charles XV of Sweden failed to help Denmark during the Second Schleswig-Holstein War. The war exposed the limits of ideological solidarity when real military action was required and no successful political union emerged from these efforts.
Contemporary institutions like the Nordic Council now facilitate regional collaboration across borders while the Helsinki Treaty of 1962 serves as a constitution for Nordic countries today. Nordic Language Convention, Nordic Passport Union, and Nordic Defence Cooperation build upon earlier ideals without seeking full political merger.