The <a href="https://en.wikipedia.org/wiki/Black_Tom_explosion" id="mwow" rel="mw:WikiLink" title="Black Tom explosion">Black Tom explosion</a> in New York Harbor kills four and destroys some $20,000,000 worth of military goods.<sup about="#mwt27" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-4"}}' id="cite_ref-4" rel="dc:references" typeof="mw:Extension/ref"><a href="./July_30#cite_note-4" id="mwpA" style="counter-reset: mw-Ref 4;"><span class="mw-reflink-text" id="mwpQ">[4]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-4"><cite about="#mwt24" class="citation web cs1" id="mwBg0"><a class="external text" href="https://web.archive.org/web/20210501113517/https://roanoke.com/opinion/columns_and_blogs/columns/john_long/long-terrorism-s-th-anniversary/article_4d01bca1-e61e-575c-ad64-41c592e55c63.html" id="mwBg4" rel="mw:ExtLink nofollow">"Long: Terrorism's 100th anniversary | Commentary | roanoke.com"</a>. 2021-05-01. Archived from <a class="external text" href="https://roanoke.com/opinion/columns_and_blogs/columns/john_long/long-terrorism-s-th-anniversary/article_4d01bca1-e61e-575c-ad64-41c592e55c63.html" id="mwBg8" rel="mw:ExtLink nofollow">the original</a> on May 1, 2021<span class="reference-accessdate" id="mwBhA">. Retrieved <span class="nowrap" id="mwBhE">2021-09-30</span></span>.</cite><span about="#mwt24" class="Z3988" id="mwBhI" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Long%3A+Terrorism%27s+100th+anniversary+%7C+Commentary+%7C+roanoke.com&amp;rft.date=2021-05-01&amp;rft_id=https%3A%2F%2Froanoke.com%2Fopinion%2Fcolumns_and_blogs%2Fcolumns%2Fjohn_long%2Flong-terrorism-s-th-anniversary%2Farticle_4d01bca1-e61e-575c-ad64-41c592e55c63.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJuly+30"></span></span>