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Russian wiki has decently good article on terrorist attacks in Russia, including ones which took place in USSR.
Also numerous (more than 15) taking hostages and plane hijackings, mostly non-politically motivated, including 1973 Tu-104 plane crash due to terrorist's bomb detonation (all 81 died).
Upvote:1
Yes, there was some terrorism in the USSR.
As you know, Kirov has been assassinated.
Many people were accused during Stalin's era in conspiring in making terrorist acts or assassinations, it is difficult to say how much of it was true.
After the war there were some rebels in Western Ukraine, they uses terrorist tactics (such as killing the school teachers etc).
There were some people who allegedly attempted to shoot on Soviet leaders during public speeches (including Brezhnev). This was apparently inspired by the assassination of Kennedy.
In the 1970s a problem emerged with plane hijackers. They usually threatened to blow up the plane and demanded a landing abroad. It was usually a way to emigrate to other countries and the hijackers rarely had real bombs and weapons.
Upvote:2
Unfortunately I can't recall specific details but while visiting a museum of Ukrainian Nationalism in the city of Lviv in the 1990s I remember seeing a huge map covering an entire wall showing acts of terrorism allegedly committed by Ukrainian nationalists all across the Soviet Union -- there were a LOT of them and of course mostly within the territory of Ukraine, but by no means all, some even in the far reaches of Siberia, and occurring over the full lifetime of the USSR, although mostly prior to the 1970s.
Upvote:13
I found the article about the bombings by Armenian nationalists: 1977 Moscow bombings (Wikipedia).
I also found this page: Террористические акты в СССР: проблема с давней историей (Beggin' pardon for any possible mistranslations) with more details:
Assassination attempts:
Other translated pages also cite: