Visa requirements for Ukrainian citizens
For traveling to certain countries, Ukrainians do not need to use a passport, as they may use their Ukrainian identity card or internal passport.
Documents which give the right to leave Ukraine and to enter Ukraine and certify the identity of a citizen of Ukraine while staying abroad are:It's important to know, that the special rules of arriving in a particular country should be studied carefully. Thus, in most countries that do not require visas or issue visas, upon arrival you must have a passport, which is valid for at least 3 months from of arrival to this country.
Visa history of Russia
Since 70s years with socialist countries were signed standard visa-free agreement, which replaced all previously existing arrangements. For entry to the USSR for tourist trips was needed a voucher, for private trips - invitation, transit without a visa. With Bulgaria in 1978, Cuba in 1985, Czechoslovakia in 1981, Hungary in 1978, North Korea in 1986, Poland in 1979, Romania in 1991, Yugoslavia in 1989.