| In 1928 Ido's major intellectual supporter, the Danish linguist Otto Jespersen, abandoned Ido, and published his own planned language, Novial. |
| Toshizo Ido described reconstruction since the 1995 Great Hanshin-Awaji Earthquake. |
| Toshizo Ido, Hyogo Governor, invited participants to visit the public forum and attend the special sessions on tsunami early warning systems. |
| The universal language of humanity is neither Volapuk, nor Esperanto, nor Ido. |
| Ido originally received this slave from Duon, a Bilan, as a wedding present when he married Duon's daughter about a year ago. |
| The Russian census of 2010 found 992 speakers of Esperanto, 9 of Ido, 1 of Edo and no speakers of Slovio or Interlingua. |
