User blog comment:Damac1214/Black Ops 2 Uprising DLC Trailer Released + Double XP on April 12th to April 15th/@comment-94.249.108.56-20130405100835/@comment-212.226.40.180-20130406203202

For God's... Burnbag 83, they didn't say it's set during the Prohibition Era, but it's more of an inspiration. I agree with AndImBatman on the rest, although he probably meant "after 2013".