Samgungnyusa,
Samguk Yusa or
Memorabilia of the Three Kingdoms is a collection of legends, folktales and historical accounts relating to the
Three Kingdoms of Korea (
Goguryeo,
Baekje and
Silla), as well as to other periods and states before, during and after the Three Kingdoms period. It is the earliest extant record of the
Dangun legend, which records the founding of
Gojoseon as the first Korean nation.