Wolf Popper Synagogue
... that the Wolf Popper Synagogue in Kraków, Poland, was founded in 1620 by one of the richest European traders in saltpetre, used for the making of gunpowder?
... that the <b id="mwA_Y"><a href="./Wolf_Popper_Synagogue" id="mwA_c" rel="mw:WikiLink" title="Wolf Popper Synagogue">Wolf Popper Synagogue</a></b> in <a href="./Kraków" id="mwA_g" rel="mw:WikiLink" title="Kraków">Kraków</a>, <a href="./Poland" id="mwA_k" rel="mw:WikiLink" title="Poland">Poland</a>, was founded in 1620 by one of the richest <a href="./Early_modern_Europe" id="mwA_o" rel="mw:WikiLink" title="Early modern Europe">European</a> traders in <a href="./Potassium_nitrate" id="mwA_s" rel="mw:WikiLink" title="Potassium nitrate">saltpetre</a>, used for the making of <a href="./Gunpowder" id="mwA_w" rel="mw:WikiLink" title="Gunpowder">gunpowder</a>?