French M1892 Mannlicher-Berthier bayonet - modified WWI

German M1898 "Butcher Blade" Mauser bayonet

German Knife bayonet for the K98 Rifle - WWII

Spanish 1941 Bolo-blade Mauser Bayonet

Portuguese M1885 Kropatchek Bayonet

Portuguese Mauser Bayonet c. 1937

British P1863 Whitworth Short Rifle Bayonet

British P1876 Martini-Henry Socket Bayonet

British P1888 Lee Metford Bayonet

British P1907 SMLE Bayonet.   WWI
One of the more common bayonets found in British antique shops. 

British No.4 MarkII Spike Bayonet.   WWII

Canadian Mark II Ross Rifle Bayonet.   Tip Modified WWI

Swiss Model 1918 Schmidt-Rubin Bayonet.