A major source of [[sulfur]] for the [[Ryukyu Kingdom|Ryûkyû Kingdom]], the island's name literally means "sulfur bird island." It is also known simply as Iôjima ("sulfur island"), and as Tokara Iôjima, to distinguish it from the [[Iwo Jima|island of the same name]] famous for the Battle of Iwo Jima. | A major source of [[sulfur]] for the [[Ryukyu Kingdom|Ryûkyû Kingdom]], the island's name literally means "sulfur bird island." It is also known simply as Iôjima ("sulfur island"), and as Tokara Iôjima, to distinguish it from the [[Iwo Jima|island of the same name]] famous for the Battle of Iwo Jima. |