Gottfried von Hagenau
... that Gottfried von Hagenau, a physician and poet, introduced the Feast of the Immaculate Conception in Strasbourg in 1307?
... that <b id="mwBPg"><a href="./Gottfried_von_Hagenau" id="mwBPk" rel="mw:WikiLink" title="Gottfried von Hagenau">Gottfried von Hagenau</a></b>, a physician and poet, introduced the <a href="./Feast_of_the_Immaculate_Conception" id="mwBPo" rel="mw:WikiLink" title="Feast of the Immaculate Conception">Feast of the Immaculate Conception</a> in Strasbourg in 1307?