Editing 1550 (section)

=== Date unknown ===
* The [[summit level canal]] between the [[Alster]] and the [[Trave]] in Germany ceases to be navigable.<ref>{{cite web|title=Alster-Beste Kanal (Alster-Trave-Kanal.)|url=http://lost.eb2a.com/alster.html?i=1|work=Lost Canals of Schleswig-Holstein|date=2007-05-29|access-date=2020-02-21}}</ref>
* The first grammatical description of the [[French language]] is published by [[Louis Maigret (grammarian)|Louis Maigret]].<ref>{{cite thesis |first=KINTZING |last=Emmons Jr. |date=1972 |title=THE GRAMMAR OF LOUIS MEIGRET: ITS CONTRIBUTION TO THE HISTORY OF FRENCH LINGUISTICS |url=https://www.proquest.com/openview/cb148de933235340771b92bf32ccaa88/1?pq-origsite=gscholar&cbl=18750&diss=y|type=Ph.D. |chapter=Preface |publisher=Cornell University |access-date=2 October 2023}}</ref>
* The first book in [[Slovene language|Slovene]], ''[[Catechismus]]'', written by [[Protestant]] reformer [[Primož Trubar]], is printed in [[Schwäbisch Hall]], [[Holy Roman Empire]].<ref>{{cite book|author=Joze Krasovec|title=The Interpretation of the Bible: The International Symposium in Slovenia|url=https://books.google.com/books?id=jiukF7F_r3cC&pg=PA1078|date=1 October 1999|publisher=A&C Black|isbn=978-0-567-34563-9|pages=1078}}</ref>
* [[Nostradamus]]' first [[almanac]] is written.<ref>{{cite book |last1=Wilson |first1=Ian |title=Nostradamus : the man behind the prophecies |date=2002 |publisher=St. Martin's Press |location=New York |isbn=978-0-312-31790-4 |page=59 |url=https://archive.org/details/nostradamusmanbe0000wils/page/58/mode/2up?q=1550 |access-date=3 October 2023}}</ref>
* Approximate date &ndash; The discovery of [[silver]] at [[Guanajuato]] in [[Mexico]] stimulates silver rushes.<ref>{{cite book |last1=Bethell |first1=Leslie |title=Colonial Spanish America |date=7 May 1987 |publisher=CUP Archive |isbn=978-0-521-34924-6 |page=206 |url=https://books.google.com/books?id=ozE7AAAAIAAJ&dq=silver+rushes+Zacatecas+Guanajuato+%221550%22&pg=PA206 |access-date=3 October 2023 |language=en}}</ref></onlyinclude>