応天門の変
おうてんもんのへん
Ōtenmon incident (conspiracy in 866 CE that centered on the destruction of the main gate of the Imperial Palace)
応天門 is read as おうでんもん (oudemmon) and means main southern gate of the Heian Palace's reception compound.
おうでんもん
oudemmon
おうてんもんのへん
Ōtenmon incident (conspiracy in 866 CE that centered on the destruction of the main gate of the Imperial Palace)