The Empire of Japan was dissolved.
The Austro-Hungarian Empire was also dissolved and its disparate peoples created new states.
However, the Human Empire is dissolved in a coup, and united with several alien races in a multiracial Federation.
The Austro-Hungarian Empire (1867 to 1918) was itself dissolved by the victors at the end of World War I and broken into separate new states.
The Austro-Hungarian Empire was dissolved in 1918 after its defeat in World War I.
The Holy Roman Empire, of which Hanover had been a constituent Imperial state, was dissolved in 1806.
With that the Empire was dissolved and the country declared its freedom to establish itself as it saw fit.
When the Holy Roman Empire was dissolved in 1806, the legal basis for the imperial debit commissions ceased to exist.
On 6 August 1806 the Holy Roman Empire was dissolved, thereby doing away with the function of prince-electors electing its emperors.
Finally, under pressure from Napoleon, the Holy Roman Empire was dissolved in 1806.