World War II: <a href="https://en.wikipedia.org/wiki/Polish_government-in-exile" id="mwxg" rel="mw:WikiLink" title="Polish government-in-exile">Government of Poland in exile</a> send <a href="https://en.wikipedia.org/wiki/Raczyński's_Note" id="mwxw" rel="mw:WikiLink" title="Raczyński's Note">Raczyński's Note</a> (the first official report on the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Holocaust" id="mwyA" rel="mw:WikiLink" title="Holocaust">Holocaust</a>) to 26 governments who signed the <a href="https://en.wikipedia.org/wiki/Declaration_by_United_Nations" id="mwyQ" rel="mw:WikiLink" title="Declaration by United Nations">Declaration by United Nations</a>.