Royal Rumble (1993)
... that at Royal Rumble (1993), the winner was guaranteed a match for the WWF Championship at WrestleMania, which subsequently became an annual tradition?
... that at <b id="mwEtE"><a href="./Royal_Rumble_(1993)" id="mwEtI" rel="mw:WikiLink" title="Royal Rumble (1993)">Royal Rumble (1993)</a></b>, the winner was guaranteed a match for the <a class="mw-redirect" href="./WWF_Championship" id="mwEtM" rel="mw:WikiLink" title="WWF Championship">WWF Championship</a> at <a href="./WrestleMania" id="mwEtQ" rel="mw:WikiLink" title="WrestleMania">WrestleMania</a>, which subsequently became an annual tradition?