Thổ Chu Island
... that as part of their May 1975 occupation of Thổ Chu Island, the Khmer Rouge kidnapped over 500 islanders and razed several villages?
... that as part of their <span about="#mwt40" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"nowrap","href":"./Template:Nowrap"},"params":{"1":{"wt":"May 1975"}},"i":0}}]}' id="mwCjQ" typeof="mw:Transclusion">May 1975</span> occupation of <b id="mwCjU"><a href="./Thổ_Chu_Island" id="mwCjY" rel="mw:WikiLink" title="Thổ Chu Island">Thổ Chu Island</a></b>, the <a href="./Khmer_Rouge" id="mwCjc" rel="mw:WikiLink" title="Khmer Rouge">Khmer Rouge</a> kidnapped over 500 islanders and razed several villages?