Terms for subject General containing Dark Ages

English	Russian
dark age	век обскурантизма
Dark Ages	средневековье (The world will be plunged into the new dark ages, figuratively and literally. Then, having been plunged into the New Dark Ages following the Electro Magnetic shock wave during the ill fated Plutonian Rebellion in 2104, Australia, ... Alexander Demidov)
during the dark ages of	в суровую годину
the dark ages	средневековье
this incident takes us back to the dark ages	это происшествие возвращает нас в тёмные времена