The English Main Page is protected from editing by new users, but that shouldn't stop you from creating a differently-titled Main Page in Slovak. Simply copy all the text of the English Main Page, change the URL to whatever the proper Slovak title is, and paste it in there; after that, you can just change it all into Slovak. I would hold off doing this for now, though - the Main Page is currently undergoing a complete redesign and will look very different within the near future (probably).
The left sidebar is slightly more complicated. The entire thing is controlled through the page
MediaWiki:Sidebar, which requires special permissions to edit. (Each other page starting with 'MediaWiki:' requires those same permissions.) The page is structured as follows:
*section title (i.e., for each separated box)
**page that the link leads to|page with text of link
So, for instance, the first entry in the top section ('navigation') appears on the site as 'Main Page' and links to, of course, the page
titled 'Main Page':
'mainpage-url' points to another page in the MediaWiki namespace - in this case,
MediaWiki:Mainpage-url - that contains the link to the page 'Main Page'. The other half of the line - referring to
MediaWiki:Mainpage - is the actual text that we see in the sidebar. The second entry is a link to the page Special:RecentChanges that appears with the text 'Recent changes':
'recentchanges-url' points to
MediaWiki:Recentchanges-url, which contains the wikilink 'Special:RecentChanges'; 'recentchanges' points to
MediaWiki:Recentchanges, which simply contains the text 'Recent changes' as we see it in the sidebar.
Now, in order to translate it, one needs to create a new set of pages for each 'MediaWiki:' page mentioned in the Sidebar control page. (Don't actually change the Sidebar page itself - that won't do anything except mess it up
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) It's easier to look at examples of this than to explain it. The Japanese Main Page text is at
MediaWiki:Mainpage/ja - it is the same title as the English one, appended with /ja (the ISO language code). (Its companion page for the URL is
here.) So, if you wanted to translate that link into Czech, you would make a new page called
MediaWiki:Mainpage/cz, and put in whatever the Czech name of the Main Page is. The same process applies for every link in the sidebar, though note that not all of the URLs are translatable (special pages and external links are good examples). For those ones, you will only be able to translate the text that is actually displayed in the sidebar.
While you are still a new user, you will not be given the necessary permissions to edit these pages - we need to make sure we can trust you first
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Therefore, if you want to help out with this, please put the translations for the sidebar on some page (possibly in your own userspace) so that an administrator can see them and put them into the actual translation system. After a little while, you will most likely be given translator rights so that you can just do it yourself.