The Soviet Union was the world's first communist country and had a major influence on 20th-century history — and still has an influence today.

Soviet President Mikhail Gorbachev speaks during the second day of the extraordinary session of the Supreme Soviet in Moscow, U.S.S.R., on Aug. 27, 1991, days after an attempted coup against him.

The Soviet Union were, like many sides, regularly using the classic system called the WM, which in modern terms is a 3-2-2-3 and is curiously similar to the in-possession shape that Pep Guardiola ...