Chernobyl disaster-Ukraine opened up the sealed zone around the Chernobyl reactor to tourists

2011 - Chernobyl, Ukraine

Chernobyl disaster-Thirty-one deaths were directly attributed to the Chernobyl disaster

1994 - Chernobyl, Ukraine

Chernobyl disaster-Soviet medical teams

1987 - Chernobyl, Ukraine, U.S.S.R

Chernobyl disaster-Reactor No. 1 was decommissioned as part of a deal between the Ukrainian government and international organizations

Nov, 1996 - Chernobyl, Ukraine

Chernobyl disaster-The first test to Chernobyl nuclear power plant

1982 - Chernobyl, Ukraine, U.S.S.R

Xanana Gusmão-Failed Coup attempt against Gusmão

1984 - Timor-Leste

Garry Kasparov-He joined the (CPSU)

1984 - Soviet Union, (Russia)

Garry Kasparov-First-ever win against the World Champion

1984 - Soviet Union, (Russia)

Garry Kasparov-Became the No. 1 ranked player in the world

Jan, 1984 - Soviet Union, (Russia)

Garry Kasparov-He won the Candidates' final

1984 - Vilnius, Lithuania