Yo, Jo, or, Io is a letter of the Cyrillic script. In Unicode, the letter ⟨Ё⟩ is named CYRILLIC CAPITAL/SMALL LETTER IO.
Monument in Ulyanovsk marking the 200th anniversary of the letter Yo.
The Cyrillic script is a writing system used for various languages across Eurasia. It is the designated national script in various Slavic, Turkic, Mongolic, Uralic, Caucasian and Iranic-speaking count
View of the cave monastery near the village of Krepcha, Opaka Municipality in Bulgaria. Found here is the oldest Cyrillic inscription, dated to 921.