importance of the year 1333?

Answer 1

End of the Kamakura period and beginning of the Kemmu restoration in Japan.
End of the reign of Emperor Kogon of Japan, first of the Northern Ashikaga Pretenders
July 19 - Battle of Halidon Hill, last of the wars of Scottish Independence

Answer 2

I just looked this up, but it will probably help.

http://www.worldwideschool.org/library/books/hst/european/TheBlackDeathandtheDancingMania/chap4.html

I dont know anything about it but It might be related to what you want.

I hope that helped