first Eurovision Song Contest
... that voting in the first Eurovision Song Contest was conducted in secret, with countries able to vote for their own entries, and only the winner of the contest being announced?
... that voting in the <b id="mwTA"><a href="./Eurovision_Song_Contest_1956" id="mwTQ" rel="mw:WikiLink" title="Eurovision Song Contest 1956">first Eurovision Song Contest</a></b> was conducted in secret, with countries able to vote for their own entries, and only the winner of the contest being announced?