In 1645, <a href="https://en.wikipedia.org/wiki/Joan_Blaeu" class="extiw" title="en:Joan Blaeu">Joan Blaeu</a> (1598-1673) successfully published an atlas of Great Britain. Blaeu based this atlas on the Theatre of the Empire of Great Britaine published by his English colleague <a href="https://en.wikipedia.org/wiki/John_Speed" class="extiw" title="en:John Speed">John Speed</a> (1552-1629) in 1611. Infected by this success, Blaeus neighbour, <a href="https://en.wikipedia.org/wiki/Jan_Janssonius" class="extiw" title="en:Jan Janssonius">Jan Janssonius</a> (1588-1664), copied the complete atlas. Janssonius published this pirate issue in 1646. This map of Ulster has been taken from Janssonius atlas.
<bdi><a href="https://www.wikidata.org/wiki/Q19972007" class="extiw" title="d:Q19972007"><span title="Dutch artist">Dirk Jansz van Santen</span></a>
</bdi>
1646<div style="display: none;">date QS:P571,+1646-00-00T00:00:00Z/9</div>
This digital media file - and/or the physical objects depicted on it - originates from the digital and/or physical collections of the <a rel="nofollow" class="external text" href="https://www.kb.nl/">Koninklijke Bibliotheek</a>, national library of the Netherlands.