ca. 854

[Possible/Probable] “Expulsion of Jews” declared by Emperor Louis II [Italy] 

Commentary from other sources:
1) Declared that no Jews could remain within his Kingdom.

“Jewish Timeline – 70 (9 Av 3830) JERUSALEM (Eretz Israel) to 1948 – Part 1;” (March 15, 2016) israelarticlesdraiman.blogspot.com