Make sure that if you want to make the site shows up properly,name the file you want it to load to something like index.html or index.php.
I have no ideas why did you get 404 but you probably uploaded them outside of the htdocs folder so they are deleted.And there’s no way to access files outside from htdocs in a browser.Related topic
Just took a deeper look of your site.It seems that the links in the file algeria.html is corrupted.So you have to fix them.
Either edit the file with a local text editor then upload,or edit directly through the online file manager.
You never define the XHTML document. You are missing mandatory HTML tags. Your file does not seem to be saved with the correct encoding. Your anchor tags are missing the href value (There are no "'s). The HTML center tag is depreciated.