Due to the post-Independence Day admission of Hawaii as the 50th <a href="https://en.wikipedia.org/wiki/U.S._state" id="mwAaM" rel="mw:WikiLink" title="U.S. state">U.S. state</a> on <a href="https://en.wikipedia.org/wiki/August_21" id="mwAaQ" rel="mw:WikiLink" title="August 21">August 21</a>, 1959, the 50-star <a href="https://en.wikipedia.org/wiki/Flag_of_the_United_States" id="mwAaU" rel="mw:WikiLink" title="Flag of the United States">flag of the United States</a> debuts in <a href="https://en.wikipedia.org/wiki/Philadelphia" id="mwAaY" rel="mw:WikiLink" title="Philadelphia">Philadelphia</a>, almost ten and a half months later (see <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Flag_Acts_(United_States)" id="mwAac" rel="mw:WikiLink" title="Flag Acts (United States)">Flag Acts (United States)</a>).