upon the 1805 peace of pressburg it not only was elevated Cause_change_of_position_on_a_scale to a kingdom , it also gained Getting french-occupied tyrol , which since 1363 had been held Defending by the austrian habsburgs , who , heavily defeated by napoleon at the battle of austerlitz , were forced to renounce it .

upon napoleon 's fall in 1814 and the congress of vienna , all parts of tyrol were re-united Cause_to_amalgamate under austrian rule .

later , the peace of westphalia and the spanish war of succession in the 17th and 18th centuries respectively left the austrian empire as the sole firm possession of the house of habsburg .

brussels remained Presence under french occupation until it was returned Arriving to austria by the 1748 treaty of aix-la-chapelle along with the rest of the austrian netherlands , although it was january 1749 before the french finally evacuated Removing the city .

the brabant revolution Change_of_leadership or unk revolution ( , ) , sometimes referred Statement to as the belgian revolution Change_of_leadership of unk in older writing , was an armed Bearing_arms insurrection Violence that occurred Coming_to_be in the austrian netherlands ( modern-day belgium ) between october 1789 and december 1790 .