If the game is installed in a different language (like Russian or German), simply having eng0.rda may not be enough; the game engine must be "told" to look for it.
The eng0.rda file contains the English localization assets specifically for the Venice expansion. For the base game, the corresponding file is usually named ger0.rda (swapped) or standard asset files inside a languages folder. anno 1404 venice eng language pack eng0rda top
If you must download a community-provided eng0.rda file from a reputable modding forum (like PCGamingWiki or the Anno Zone forums): Download the compressed file (usually a .zip or .rar ). Extract using a tool like WinRAR or 7-Zip. Move the file to Anno 1404\addon\maindata\ . If the game is installed in a different
Double-click it and change its value data to (or eng depending on the retail version layout). If you must download a community-provided eng0