The Italian aviation corps shout the warcry <i>Eja! Eja! Alala</i> in October 1917
<bdi><a href="https://en.wikipedia.org/wiki/en:Achille_Beltrame" class="extiw" title="w:en:Achille Beltrame"><span title="Italian painter and Illustrator (1871-1945)">Achille Beltrame</span></a>
</bdi>
1917-10-28
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