January 11: State Court for the Protection of the State was established in Belgrade. Croatian activist Branimir Jelić leaves the country for Austria.[1]
April 25: Đuro Đaković, a prominent Trade unions' activist in Yugoslavia and the First secretary of the Communist Party of Yugoslavia, was murdered by Yugoslav policemen at the Yugoslav-Austrian boundary in the present-day Slovenia, after four days of torturing and questioning in Zagreb police station.
October 3: The Kingdom of Serbs, Croats and Slovenes was renamed to the Kingdom of Yugoslavia. The state was also divided into new administrative divisions called banovine (singular banovina).
December 22: Vladko Maček arrested.
1930
January 25: August Košutić and Juraj Krnjević of the Croatian Peasant Party delivered a memorandum to the League of Nations outlining the struggles of the Croats in the Kingdom of Yugoslavia.
June 14: Vladko Maček acquitted and released.
1931
February 18: Writer Milan Šufflay is murdered by Yugoslav nationalists in Zagreb.
September 3: A new 1931 Yugoslav Constitution was put in place to replace the one from 1921 (abolished in 1929).
November 8: Elections held in which only one electoral list, headed by General Živković is on the ballot.
1932
June 7: Yugoslav nationalists attempt to assassinate writer Mile Budak.
September 6: Members of the Ustaša - Croatian Revolutionary Movement attempted to launch a revolution on Velebit.
November 7: Peasant-Democrat Coalition released the Zagreb Points, which outlined the coalition's plan for a return to parliamentary democracy.
1933
Svetozar Pribićević published Diktatura kralja Aleksandra (The Dictatorship of King Alexander) in exile in Prague.
f Annexed by Fascist Italy (1941–1943) and Nazi Germany (1943–1944). Smaller part annexed by the Independent State of Croatia (1941–1944).
h North Macedonia's official and constitutional name was the Republic of Macedonia until 2019. It was known in the United Nations as the former Yugoslav Republic of Macedonia because of a naming dispute with Greece.
j Free Territory was established in 1947. Its administration was divided into two areas (Zone A) and (Zone B). Free Territory was de facto taken over by Italy and SFRY in 1954.