The <a href="https://en.wikipedia.org/wiki/Lombard_Street_riot" id="mwnw" rel="mw:WikiLink" title="Lombard Street riot">Lombard Street riot</a> erupts in <a href="https://en.wikipedia.org/wiki/Philadelphia" id="mwoA" rel="mw:WikiLink" title="Philadelphia">Philadelphia</a>, <a href="https://en.wikipedia.org/wiki/Pennsylvania" id="mwoQ" rel="mw:WikiLink" title="Pennsylvania">Pennsylvania</a>, United States.