Before the capital of Japan was established in present day Kyoto by the Heian Emperor Kanmu in 794 CE, where was the previous capital?
The Imperial House of Japan shows 126 monarchs in unbroken line, beginning with the legendary Emperor Jimmu traditionally dated to when?
What military rank and historical title for Hereditary Commanders of Armies in Japan ended when Tokugawa Yoshinobu relinquished the office in 1867?