Good point and well done you, for mentioning that piece of 'historical irony'!
Help! - The Beatles
You don't have the data to come to that conclusion. The only way you could draw any conclusion about the safety of the rally in Croatia would be to have
Dakar is maybe the most famous but there are a bunch of other rally raid / cross-country rally events like Silk Way Rally, Rallye du Maroc, Abu Dhabi,