Occupational Safety and Health Act
...that the Occupational Safety and Health Act went into effect in the United States on April 28, 1971, the same day as Workers' Memorial Day?
...that the <b id="mwAmw"><a class="mw-redirect" href="./Occupational_Safety_and_Health_Act" id="mwAm0" rel="mw:WikiLink" title="Occupational Safety and Health Act">Occupational Safety and Health Act</a></b> went into effect in the United States on <a href="./April_28" id="mwAm4" rel="mw:WikiLink" title="April 28">April 28</a>, <a href="./1971" id="mwAm8" rel="mw:WikiLink" title="1971">1971</a>, the same day as <a href="./Workers'_Memorial_Day" id="mwAnA" rel="mw:WikiLink" title="Workers' Memorial Day">Workers' Memorial Day</a>?