June 26
221 – Roman emperor Elagabalus adopts his cousin Alexander Severus as his heir and receives the title of Caesar. 699 – En no Ozuno, a Japanese mystic and apothecary who will later be regarded as the founder of a folk religion Shugendō, is banished to Izu Ōshima. 1407 – Ulrich von Jungingen becomes Grand Master...