The arrest of <a href="https://en.wikipedia.org/wiki/Deportation_of_Armenian_intellectuals_on_24_April_1915" id="mwaQ" rel="mw:WikiLink" title="Deportation of Armenian intellectuals on 24 April 1915">250 Armenian intellectuals and community leaders</a> in <a href="https://en.wikipedia.org/wiki/Istanbul" id="mwag" rel="mw:WikiLink" title="Istanbul">Istanbul</a> marks the beginning of the <a href="https://en.wikipedia.org/wiki/Armenian_genocide" id="mwaw" rel="mw:WikiLink" title="Armenian genocide">Armenian genocide</a>.