Imperial-Royal
The term imperial- royal (short k k or kk) was in the Empire of Austria to the Austro- Hungarian Compromise in 1867 for the authorities and government facilities throughout the empire. Then, in of the reorganized Austro-Hungarian Empire, the abbreviation moved into k k only on the western half of the empire ( Cisleithania, Old Austria ) of the Real Union called the Dual Monarchy from 1867. ( For common facilities of both halves of the empire, the term was used from 1867 to 1918 k u k. The common army was the abbreviation k k foul to 1889 in use. )
The first k ( imperial ) was for the title of Emperor of Austria, the second k ( Royal) was in 1867 for the title of King of Bohemia, the Emperor resulted in personal union.
The abbreviation is k k replaced today by the sometimes easier to pronounce abbreviation k u k ( "k and k ' ), but is historically and constitutionally be clearly distinguished from this: k u k ( imperial and royal ) designated only the common authorities and state institutions in both halves of the empire. In the corresponding terms and names prefixed k and k is the second k ( Royal) for the title of King of Hungary of the Habsburg monarchs.