In 29 August 1840, was the day when the first known Hungarian daguerreotype(s) was made by Antal Vállas. It was a demonstration of the process at the Hungarian Academy of the Sciences The Hungarian Photography Day is the anniversary of this. Remained a contemporary Protocol with the description of the event, but the plates where lost. There is a misunderstanding in the text: (the process was made) "without oiling and burning" probably it was about the gold toning...
VÁLLAS (ANTAL AND FAMILY) PAPERS Compiled by Leslie Bourgeois
The translate of the description of the Daguerres process in Hungarian language (translated by Jakab Zimmerman a monk-teacher in the Theresianum, Wien) also was printed in 1840:
Daguerre képei’ elkészítése’ módjának leírása (Bécs/Wien, 1840.) Zimmermann Jakab translated.: http://www.mek.iif.hu/porta/szint/termesz/fizika/zimdag/