Short answers, pulled from the story.
Vladivostok was officially founded on the 2nd of July 1860 when a military unit under Lieutenant-Commander Alexei Karlovich Shefner arrived at Golden Horn Bay to establish a Russian outpost. This event marked the official founding of Vladivostok as a strategic foothold in the Far East.
The first civilian settler and property owner in Vladivostok was merchant Yakov Lazarevich Semyonov who moved his family into the new settlement by the 31st of October 1861. He purchased land on the 15th of March 1862 becoming the first recorded property owner in the area.
Asian populations including Chinese people and Korean immigrants were deported from Vladivostok between 1936 and 1938 following Joseph Stalin's orders. The old Chinese quarter called Millionka and the ethnic enclave known as Sinhanch'on were liquidated with all residents removed from the city.
Vladivostok reopened to foreign citizens on the 1st of January 1992 when Boris Yeltsin signed decree No. 123 on the 20th of September 1991. This measure ended a special regime established by the Council of Ministers that had begun operating the 1st of January 1952.
The Vladivostok port processed 21.2 million tons of cargo by late 2018 through operations involving 20 stevedoring companies. In 2015 external trade volume exceeded 11.8 billion dollars conducted with 104 different countries while fishing accounts for nearly four-fifths of commercial production.