USSR National Badminton Championships are officially held since the year 1963. After the end of the Soviet Union, the majority of the former Soviet Republics started own championships like the Azerbaijani National Badminton Championships, Armenian National Badminton Championships, Georgian National Badminton Championships, Moldovan National Badminton Championships and Latvian National Badminton Championships.
References
USSR National Badminton Championships Wikipedia(Text) CC BY-SA