in what year where the Transcaucasian Federative Republic first created ?
The Transcaucasian Democratic Federative Republic ( TDFR ; Закавказская демократическая Федеративная Республика ( ЗКДФР ) ; " Zakavkazskaya Demokraticheskaya Federativnaya Respublika " ( ZKDFR ) ; AprilMay 1918 ) , also known as the Transcaucasian Federation , was a short - lived South Caucasian state extending across what are now the modern - day countries of Armenia , Azerbaijan , and Georgia .