I thought this was sort of interesting - the 380 ACP was developed in 1908 - and " has had somewhat of a recent upsurge in popularity due to some very compact and lightweight pistols chambered for it, namely the Kel-Tec P3AT"
read more about it at
http://en.wikipedia.org/wiki/.380_ACP
read more about it at
http://en.wikipedia.org/wiki/.380_ACP