Beat ya to it

Amiot 143 (1936; France, India)
Arado Ar 234 (1944; Germany)
Armstrong Whitworth Whitley (1937; United Kingdom)
Avro Manchester ( United Kingdom)
Avro Lancaster (1942; United Kingdom)
Bloch MB.210 (1937; France)
Boeing B-17 Flying Fortress (1940; United States)
Boeing B-29 Superfortress (1940; United States)
Bristol Blenheim (1937; United Kingdom, Kingdom of Yugoslavia )
CANT Z.1007 (1938; Italy)
Consolidated B-24 Liberator (1940; United States)
Consolidated B-32 Dominator (1942; United States)
Dornier Do 17 (1937; Germany, Kingdom of Yugoslavia)
Dornier Do 217 (1941; Germany)
Douglas A-20 Havoc (1941; United States, United Kingdom)
Douglas A-26 Invader (1944; United States)
Douglas B-18 Bolo (1936; United States)
Fairey Battle (1937; United Kingdom)
Fiat BR.20 (1938; Italy)
Focke-Wulf Fw 200 Condor (1940; Germany)
Fokker C.X (1933; Netherlands, Finland)
Handley Page Halifax (1940; United Kingdom)
Handley Page Hampden (1938; United Kingdom)
Heinkel He 111 (1936; Germany)
Heinkel He 177 (1943; Germany)
Ilyushin Il-4 (1938; Soviet Union)
Junkers Ju 88 (1938; Germany)
Kawasaki Ki-48 (1940; Japan)
Keystone B-3A (1936; United States, Philippines)
Liore et Olivier LeO 451 (1939; France)
Lockheed A-29 Hudson (1939; United States)
Lockheed PV-1/-2/B-34/-37/R-37 Ventura (1942; United States, British Commonwealth, United Kingdom)
Martin A-22 Maryland (1939; France, United Kingdom
Martin A-30 Baltimore United States, United Kingdom
Martin B-26 Marauder (1941; United States)
Martin 139 WS (Netherlands, Thailand)
Mitsubishi G3M (1937; Japan)
Mitsubishi G4M (1941; Japan)
Mitsubishi Ki-21 (Japan, Thailand)
Nakajima Ki-49 (1938; Japan)
North American B-25 Mitchell (1941; United States)
Pe-8 (1936; Soviet Union)
Piaggio P.108 (1942; Italy)
PZL.23 Karaś (1936; Poland)
PZL.37 Łoś (1938; Poland)
Savoia-Marchetti SM.79 (1937; Italy)
Savoia-Marchetti SM.81 (1935, Italy)
Short Stirling (1940; United Kingdom)
Sukhoi Su-2 (1937; Soviet Union
Tupolev SB (1934; Soviet Union)
Tupolev Tu-2 (1944; Soviet Union)
Vickers Wellington (1938; United Kingdom)
Yokosuka P1Y (1945; Japan)
PS. a little more research than copy/paste from wiki
http://en.wikipedia.org/wiki/List_of_aircraft_of_World_War_IIWould go a long way in this forum
