Runeberg's most famous work, "The Tales of Ensign Stål," is a collection of epic poems depicting the Finnish War (1808-1809) and fostering a sense of national identity and pride. Written in Swedish, his works were instrumental in shaping Finnish cultural and literary heritage.
Beyond his literary achievements, Runeberg was an influential figure in Finnish education and journalism, co-founding the magazine "Helsingfors Morgonblad." His legacy endures in Finland, celebrated annually on Runeberg Day, February 5th. The Runeberg statue in Helsinki, erected in 1885, stands as a testament to his enduring impact on Finnish national consciousness.