History of the British Sten gun

[Apple a Day]

Can someone give me a brief rundown of the history of the sten submachine gun? When was it originally designed/manufactured? What versions were there?
Many thanks

[Steven Mace]

For some history on the Sten try visiting http://www2.prestel.co.uk/history/sten/index.htm and follow the links. Hope this helps!

Steve Mace