1905: This country becomes independent of Sweden and Haakon VII becomes their first modern king
1910: The First Republic of this nation is declared following the short reign and abdication of Dom Manuel II
1914: Archduke Franz Ferdinand is murdered in what would eventually become this country, starting World War I
1917: This area, then under control of Russia, begins a movement to become part of Romania
1918: The State of Slovenes, Croats, and Serbs, which would eventually become Yugoslavia, is proclaimed in Ljubljana
1919: This microstate joins a customs and monetary union with Switzerland due to its financial instability
1920: Following the end of the dual monarchy with Austria, this new nation loses 72% of its former land
1922: This country becomes embroiled in a Civil War between a pro-UK treaty 'Free State' and anti-treaty 'Republic'
1923: Kemal Atatürk becomes first President of this nation, following the dissolution of the Ottoman Empire
1924: The first Winter Olympics are held at the foot of Mont Blanc in Chamonix in this nation
1928: Long-distance runner Paavo Nurmi of this nation wins the last of his 9 Olympic gold medals
1929: The Lateran Treaty is signed, acknowledging the sovereignty of this micronation as an independent state
1933: The Reichstag building catches fire, ending civil liberties and establishing Nazism in this country
1936: A Civil War begins in this nation between the Nationalists (led by F. Franco) and the Republicans (led by M. Azaña)
1938: The Sudetenland in this modern nation is annexed and other areas invaded by Nazi Germany
1939: Zog I, the only king of this nation, goes into exile following a military invasion by Mussolini Italy
1940: Charlotte, the Grand Duchess of this nation, goes into exile to flee invading German army
1941: Mussolini's government sets up a puppet kingdom of this state, with a capital in the city of Cetinje
1943: Following the death of his father Boris III, six-year-old Simeon II becomes Tsar of this nation
1944: The Battle of Monte Pulito occurs in this neutral microstate, ending in an Allied victory
1945: Benito Mussolini is captured and executed at Lake Como by partisans of the 52nd Garibaldi Brigade
1946: The League of Nations, headquartered in this country, meets for the final time in Geneva to liquidate itself
1949: North Atlantic Treaty Organization is formed, with its headquarters located in this country's capital
1953: This country ends colonial status of the island of Greenland, incorporating it into its realm as amt (county)
1954: The first of the Delta Works projects to shorten the coastline in order to prevent flooding of this nation begin
1955: The Allied Powers end their occupation of this country in exchange for permanent neutrality
1956: American film actress Grace Kelly retires from acting at the age of 26 to marry this nation's sovereign prince
1958: This country engages in the first of three 'Cod Wars' with the United Kingdom over fishing rights
1959: Charles de Gaulle becomes co-prince of this nation, in accordance with his election as President of France
1960: The United Kingdom recognizes the independence of this nation, maintaining two bases in Akrotiri and Dhekelia
1961: Pilot Yuri Gagarin, born in this modern nation, becomes the first human to journey into outer space
1964: This Mediterranean island achieves independence from the UK, eight years after holding a vote to join it
1967: A military junta, most famously led by Georgios Papadopoulos, takes over this nation
1969: This modern nation, at the time united with Czechia, becomes a puppet state of the Soviet Union following the crushing of the Prague Spring
1974: Musical group ABBA, from this country, wins the Eurovision Song Contest with their hit 'Waterloo'
1979: Conservative Party leader Margaret Thatcher becomes this nation's first female Prime Minister
1980: As Moscow was not a suitable place, sailing events of the Olympics are held in Tallinn in this modern nation
1983: Solidarity labor union leader Lech Wałęsa, from this country, wins the Nobel Peace Prize
1986: A reactor at the Chernobyl Nuclear Power Plant explodes, causing a serious nuclear radiation accident
1989: Dictator Nicolae Ceaușescu is overthrown in a revolution, tried for genocide, and executed
1990: People from all over this nation flood to Vilnius in order to stop an attempted re-takeover by Russia and defend their democratic government
1992: The Siege of Dubrovnik ends, causing Yugoslav National Army to withdraw from this country
1993: This country is admitted to the United Nations after two years, despite protests from Greece
1994: Alexander Lukashenko becomes President of this nation, a position he still holds as of 2020
1998: Russia finally fully withdraws from this Baltic nation by shutting down the Skrunda-1 radar station
1999: The war between Serbia and this modern nation (then a province of Serbia) ends following NATO intervention
2000: Dictator Slobodan Milošević is ousted following million-strong demonstrations in central Belgrade
