one weight and one measure
... that in 965 AD, King Edgar decreed "that only one weight and one measure should pass throughout the King's dominion"?
... that in 965<span id="mwBGU" typeof="mw:Entity"> </span>AD, <a class="mw-redirect" href="./Edgar_the_Peaceful" id="mwBGY" rel="mw:WikiLink" title="Edgar the Peaceful">King Edgar</a> decreed "that only <b id="mwBGc"><a href="./Imperial_and_US_customary_measurement_systems" id="mwBGg" rel="mw:WikiLink" title="Imperial and US customary measurement systems">one weight and one measure</a></b> should pass throughout the King's dominion"?