The popularity of the Laurin poem in the nineteenth century was significantly influenced by various reworkings and adaptations that emerged during that time. Here are some key factors that contributed to this phenomenon:

1. Romanticism and Nationalism: The nineteenth century was marked by a rise in Romanticism, which emphasized emotion, nature, and the glorification of the past. This movement often sought to revive and reinterpret folklore and medieval literature, including works like the Laurin poem. The poem's themes of heroism, love, and the supernatural resonated with the Romantic ideals, making it appealing to contemporary audiences.

2. Literary Adaptations: Various authors and poets reinterpreted the Laurin poem, creating new versions that aligned with the tastes and values of the time. These adaptations often included changes in language, style, and content, making the poem more accessible and relatable to a broader audience. Such reworkings helped to keep the poem alive in public consciousness.

3. Cultural Revival: The nineteenth century saw a renewed interest in folklore and traditional stories as part of a broader cultural revival. Scholars and writers began to collect and publish folk tales, which included the Laurin poem. This scholarly attention not only preserved the poem but also introduced it to new audiences who may not have encountered it otherwise.

4. Theatrical and Musical Interpretations: The Laurin poem was also adapted for the stage and set to music, further broadening its appeal. Theatrical performances and musical compositions based on the poem allowed it to reach audiences who might not engage with poetry in its traditional form. These adaptations often emphasized the dramatic and emotional aspects of the story, enhancing its popularity.

5. Educational Use: As education became more widespread in the nineteenth century, literary works like the Laurin poem were included in curricula. This exposure in schools helped to familiarize students with the poem, contributing to its lasting popularity.

In summary, the reworkings of the Laurin poem during the nineteenth century, influenced by Romantic ideals, cultural revival, and adaptations in various forms, played a crucial role in enhancing its popularity and ensuring its place in literary history.