They will have a world tour in 2009 so there is a good chance.
No,he did not come to Malta
[Deleted that because it wasn't an answer] I highly doubt it. She would go to Italy first if she did, considering Malta is a very small island.
There are many things but amongst the most important we can see that they fortified it in order to protect it from the Turkish raiders. Examples may be seen in the fortifications of Valletta or Mdina...