"Confetti covers the <a href="https://en.wikipedia.org/wiki/Armistice_Day" class="extiw" title="w:Armistice Day">Armistice Day</a><i> celebration near the Flatiron Building, 1918."</i>
The Press Illustrating Service
1918-11
<i><a href="https://en.wikipedia.org/wiki/The_New_York_Times" class="extiw" title="w:The New York Times">The New York Times</a></i> photo archive, via their online store <a rel="nofollow" class="external text" href="http://www.nytstore.com/ProdDetail.aspx?prodId=1416">here</a>