[1] The Haniwa Garden, 9,000 square metres (2.2 acres) in size, is located north of the Peace Tower.

[3] The original name was Hakkō ichiu Tower, meaning "Eight World Regions Under One Roof," a slogan of the Imperial Japanese Army.

[2] Designed by Jitsuzo Hinago, the tower was created from stones gathered from around the then-current extent of the Japanese empire at a cost of 670,000 yen.

[3] Subsequent to the Olympics, which coincided with worldwide interest in the Japanese Imperial family, the local tourism association successfully petitioned the Miyazaki Prefecture to re-install the "Hakkō ichiu" characters.

[3] Some people consider the lack of documentation regarding the militaristic genesis of the tower to subtract from the structure's re-imagined power as a symbol for peace.