Restoring English to Anno 1404 Venice is usually a matter of ensuring the eng0.rda file is in the right maindata folder and that your Engine.ini is pointing to the correct language tag. Once fixed, you can get back to building your Mediterranean empire without a translator by your side.
Often, you don't need a new file; you just need to tell the game to use the one it has. Go to %AppData%\Ubisoft\Anno1404\Config . Open Engine.ini with Notepad.
The "0" in the filename typically denotes the base language files for that specific version. For the expansion (addon), these files are usually located within the addon sub-folder of your main installation directory. Common Issues with International Versions