Kalevipoeg is the Estonian national epic which are based folktales about the eponymous giant Kalevipoeg. These tales mainly interpret various natural objects and features as traces of Kalevipoeg's deeds and have similarities with national epics from neighbouring regions, especially the Finnish Kalevala In 1839, Friedrich Robert Faehlmann read a paper at the Learned Estonian Society about the legends of Kalevipoeg. He sketched the plot of a national romantic epic poem. In 1850 Kreutzwald started writing the poem, interpreting it as the reconstruction of an obsolete oral epic.