The 2010 Moscow Metro bombings were suicide bombings carried out by two Islamic female terrorists during the morning rush hour of March 29, 2010, at two stations of the Moscow Metro (Lubyanka and Park Kultury), with roughly 40 minutes in between.At least 40 people were killed, and over 100 injured. Russian officials called the incident "the deadliest and most …

The 1977 Constitution, also known as the Brezhnev Constitution or the constitution of the developed Socialism, was the third and final constitution of the Soviet Union, adopted unanimously at the 7th (Special) Session of the Ninth Convocation of the Supreme Soviet and signed by Chairman of the Presidium Leonid Brezhnev.The 1977 Constitution replaced the …