411 REFERENCE · Wiktionary
-го
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Russian
Pronunciation
-во
Suffix
ru suffix -vo
Affixed to the end of numerals to mean "in or on + (date)"
ru 10-го сентября́ про́шлого года мы включи́ли устано́вку в пе́рвый раз. On the 10th of September last year we turned the machine on for the first time. -го//-во