Complex sentence: It's likely that the first Hungarian settlement was formed here shortly after the Conquest of Hungary, but in 1275 in a church document it is mentioned as a deserted place, it is likely that the village was destroyed during the Mongol invasion of Hungary.
Split into simpler sentences: It's likely that the first Hungarian settlement was formed here shortly after the conquest of Hungary, but in 1275 in a church document it is mentioned as a deserted place. It is likely that the village was destroyed during the Mongol invasion of Hungary.