There is two selebrations but not everywhere.
You are right - 8/9 of May is Victory on Germany (signed german capitulation with SU and G
And I thought that exactly this day is used to give name to Victore Plaza here in Dalian. I do not think that the name given for capitalism because China is not capitalistic country at all.
The question is still open. Who knows the right answer?
PS Is Dalian reliased from Japan by Soviet Union?