Editing 997 (section)

=== By topic ===

==== Religion ====
* Spring &ndash; Pope [[Pope Gregory V|Gregory V]] is exiled during a rebellion led by [[Crescentius the Younger|Crescentius II]] ('''the Younger'''), patrician (the ''de facto'' ruler) of [[Rome]]. The Crescentii family appoints Giovanni Filagato (former tutor of Otto III) as an [[antipope]] under the name [[Antipope John XVI|John XVI]] (or XVII), until [[998]].
* [[April 23]] &ndash; [[Adalbert of Prague|Adalbert]], exiled bishop of [[Roman Catholic Archdiocese of Prague|Prague]], organises a mission to convert the [[Old Prussians]] in north-east [[Greater Poland|Poland]]. On his way, Adalbert is murdered by [[Paganism|pagans]] on the [[Baltic Sea|Baltic]] coast. His body is bought back for its weight in [[gold]] by Duke [[Bolesław I the Brave|Bolesław I]] ('''the Brave''').<ref>Richard Brzezinski (1990). ''History of Poland'': The Piast Dynasty - Bolesław the Brave, p.16. {{ISBN|83-7212-019-6}}.</ref>
* The first documented reference of [[Gdańsk]] is made by Adalbert. During his mission he [[Baptism|baptises]] the inhabitants of the city called ''Gyddannyzc''.
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