Soviet other Yakovlev Yak-25 (not an twin-engine interceptor), Yakovlev Yak-30 (not an trainer aircraft), Yakovlev Yak-50 (not an aerobatic aircraft) by Yakovlev Design Bureau.
Yak-25 (first): first flight in 1947
Yak-30 (first): first flight in 1948
Yak-50 (first): first flight in 1949

music:
VSN7 x ᐁ - Messa