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		<title>History Schmistory: October 1. Back off, sound!!</title>
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		<category><![CDATA[breaking sound barrier]]></category>
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					<description><![CDATA[1969: A Concorde turbojet-powered supersonic passenger airliner breaks the sound barrier for the first time. Sound barrier calls shenanigans and demands a rematch.]]></description>
										<content:encoded><![CDATA[<p>1969: A <a href="http://www.britishpathe.com/record.php?id=46204" target="_blank" rel="noopener noreferrer">Concorde</a> turbojet-powered supersonic passenger airliner breaks the <a href="http://en.wikipedia.org/wiki/Sound_barrier" target="_blank" rel="noopener noreferrer">sound barrier</a> for the first time. Sound barrier calls shenanigans and demands a rematch.</p>
<div id="attachment_3776" style="width: 810px" class="wp-caption aligncenter"><a href="http://www.teammarcopolo.com/blog/wp-content/uploads/2013/10/800px-FA-18_Hornet_breaking_sound_barrier_7_July_1999_-_filtered.jpg"><img aria-describedby="caption-attachment-3776" decoding="async" class="size-full wp-image-3776" src="http://www.teammarcopolo.com/blog/wp-content/uploads/2013/10/800px-FA-18_Hornet_breaking_sound_barrier_7_July_1999_-_filtered.jpg" alt="U.S. Navy F/A-18 within the sound barrier By Ensign John Gay, U.S. Navy [Public domain], via Wikimedia Commons" width="800" height="571" srcset="http://www.teammarcopolo.com/blog/wp-content/uploads/2013/10/800px-FA-18_Hornet_breaking_sound_barrier_7_July_1999_-_filtered.jpg 800w, http://www.teammarcopolo.com/blog/wp-content/uploads/2013/10/800px-FA-18_Hornet_breaking_sound_barrier_7_July_1999_-_filtered-300x214.jpg 300w" sizes="(max-width: 800px) 100vw, 800px" /></a><p id="caption-attachment-3776" class="wp-caption-text">U.S. Navy F/A-18 within the sound barrier<br />By Ensign John Gay, U.S. Navy [Public domain], via Wikimedia Commons</p></div>
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