Flag of Schleswig-Holstein flag on 18 January 1957. The plain tricolour is the state's civil flag. Government authorities use the state flag ("Landesdienstflagge"), where the flag is defaced by the state coat of arms. The tricolour was previously used for the Prussian province of Schleswig-Holstein (1868-1946). It is almost identical to the flags of the Kingdom of Yugoslavia, Serbia and Montenegro (FR Yugoslavia), as well as the flag of the Netherlands inverted. Flag of Schleswig-Holstein The flag of Schleswig-Holstein is a horizontal tricolour of blue, white, and red. Schleswig-Holstein is one of the 16 states of Germany, comprising most of the historical duchy
Flag of Hungary explicitly state anything about the width:length ratio of the flag; but, there is a law from 1957 that is in force stating that seagoing merchant vessels shall hoist the red–white–green tricolour in 2:3 ratio. By a government decree from 2000, the ratio (which is neither defined in the Constitution nor in 1995 or 2000 legislation) of flags used on government building is 1:2. Summarized, this would mean: Flag of Hungary The flag of Hungary (, more commonly ) is a horizontal tricolour of red, white and green. In this exact form, it has been the official flag of Hungary since