Nikolayevsk Incident
...that the Nikolayevsk Incident, in which Japanese people were killed by Bolshevik revolutionaries, was pretext for the invasion of Sakhalin island?
...that the <b id="mwBgk"><a class="mw-redirect" href="./Nikolayevsk_Incident" id="mwBgo" rel="mw:WikiLink" title="Nikolayevsk Incident">Nikolayevsk Incident</a></b>, in which <a href="./Japanese_people" id="mwBgs" rel="mw:WikiLink" title="Japanese people">Japanese people</a> were killed by <a class="mw-redirect" href="./Bolshevik" id="mwBgw" rel="mw:WikiLink" title="Bolshevik">Bolshevik</a> revolutionaries, was pretext for the invasion of <a class="mw-redirect" href="./Sakhalin_island" id="mwBg0" rel="mw:WikiLink" title="Sakhalin island">Sakhalin island</a>?