This is based in the future of the 41st Millennium in the 'Warhammer 40,000' Universe. (You as the reader are in the 3rd Millennium). Warhammer 40,000 is a sci-fi tabletop wargame produced by the company Games Workshop - which also creates miniatures, models, books and other material. This fan film specifically takes place in 482.M39 (the year 40,482) following the 'Argosa Uprisings.'