Cyril & Methodius were Christian missionaries to Slavic peoples in Eastern Europe.
The Slavs had no written language. They created a written language that is the basis for many Eastern European languages.
Cyrillic Alphabet I
Russian words I Hi - PrivetHello – zdravstvujjteGood morning - DobroeutroGood afternoon - Dobriy den' Good evening - DobryvecherNice to see you - RadtebyavidetGood bye - DasvidaniyaBye - PokaExcuse me – IzvinitePlease – pozhalujjstaCan you tell me please - skazhitepozhalujjstaThank you –spasiboDo you speak Russian? - vygovoriteporusski ?I don't speak Russian - ja ne govorjuporusski