Question: Who occupied Austria during pre-Roman times?
About the article "Austria", section "History".

Candidate passages:
The site of Carisbrooke Castle may have been occupied in pre-Roman times.
A ruined wall suggests that there was a building there in late Roman times.
The Anglo-Saxon Chronicle mentions that Wihtgar, cousin of King Cynric of Wessex, died in AD 544, and was buried there.
The Jutes may have taken over the fort by the late 7th century.
An Anglo-Saxon stronghold occupied the site during the 8th century.
Around 1000, a wall was built around the hill as a defence against Viking raids. 
Settled in ancient times, the Central European land that is now Austria was occupied in pre-Roman times by various Celtic tribes.
The Celtic kingdom of Noricum was later claimed by the Roman Empire and made a province.
Present day Petronell-Carnuntum in Eastern Austria was an important army camp turned capital city in what became known as the Upper Pannonia province.
Carnuntum was home for 50,000 people for nearly 400 years.
After the fall of the Roman Empire the area was invaded by Bavarians, Slavs and Avars.
Charlemagne conquered the area in AD 788, encouraged colonisation and introduced Christianity.
As part of Eastern Francia, the core areas that now encompass Austria were bequeathed to the house of Babenberg.
The area was known as the "marchia Orientalis" and was given to Leopold of Babenberg in 976.
The first record showing the name Austria is from 996, where it is written as "Ostarrîchi", referring to the territory of the Babenberg March.
In 1156 the Privilegium Minus elevated Austria to the status of a duchy.
In 1192, the Babenbergs also acquired the Duchy of Styria.
With the death of Frederick II in 1246, the line of the Babenbergs was extinguished.
As a result Ottokar II of Bohemia effectively assumed control of the duchies of Austria, Styria and Carinthia.
His reign came to an end with his defeat at Dürnkrut at the hands of Rudolph I of Germany in 1278.
Thereafter, until World War I, Austria's history was largely that of its ruling dynasty, the Habsburgs.
In areas of civil control, such as the territories of a "civitas", the fortification and occupation of hill forts was banned as a matter of Roman policy.
However, further inland and northward, a number of pre-Roman hill forts continued to be used in the Roman Era, while others were abandoned during the Roman Era, and still others were newly occupied.
The inference is that local leaders who were willing to accommodate Roman interests were encouraged and allowed to continue, providing local leadership under local law and custom. 
Originally a part of the Duchy of Bavaria, the town became part of the Duchy of Austria during the 12th century.
It was occupied several times during the Napoleonic Wars.
Since 1918 it is part of Upper Austria and since 1921 an autonomous town (before that, it was part of Hallstatt) 
Originally in the eastern portion of the Duchy of Bavaria, the town has belonged to Duchy of Austria since the 12th century.
The town was occupied multiple times during the Napoleonic Wars.
It became part of Upper Austria in 1918.
After the Nazi annexation of Austria (Anschluss), the town became part of "Gau Oberdonau", returning to Upper Austria in 1945.