1236 Although Lithuania was first mentioned in the annals of Quedlinburg in 1009, the state of Lithuania officially dates from 1236 when the Grand Duke Mindaugas consolidated the lands and became their ruler. In 1253, Mindaugas was crowned, thus becoming the first and only King of Lithuania.
1323 Vilnius was first mentioned as the capital of the Grand Duchy of Lithuania.
1385 Lithuania was converted to Christianity.
1529 The first Lithuanian Statute, the supreme law of the country, was drawn up (the second was compiled in 1566 and the third in 1588). Lithuania was the first in Central Europe to draw up a statute book.
1569 Lithuania entered into a union with Poland. The two countries were joined into a federation, the United Republic (Rzeczpospolita), the state comprised of the Grand Duchy of Lithuania and the Kingdom of Poland.
1791 On May 3, the Constitution was adopted. It was the first written Constitution in Europe, laying down the major principles of state system that corresponded to the European concept of the 18th century.
1772 - 1795 The three partitions of the state of Lithuania and Poland during this period resulted in the division of Lithuania between Russia, Prussia and Austria, the largest share of Lithuanian territory going to Russia.
1831 and 1864 Two uprisings were followed by a wave of repression. In 1864 Russia banned Lithuanian press in Latin characters. The Lithuanian people started the fight for their language, press and rights. Publications in Russian characters were ignored and books in Latin characters were smuggled in from Prussia.
1904 The ban on Lithuanian press was cancelled. The national and cultural movement of Lithuanians started promoting the idea of an independent state of Lithuania.
1905 In October and November, the Great Seimas of Vilnius convened in Vilnius to request Moscow to recognise the autonomy of Lithuania.
1918 On February 16, in the old historic capital city of Vilnius, the Council of Lithuania unanimously adopted a declaration on the restoration of an independent state of Lithuania with capital city Vilnius.
1919 In March, the Council of Lithuania elected its Chairman Antanas Smetona the first President of the Republic of Lithuania. The President and the Cabinet of Ministers were granted the legislative power.
1920 The Constituent Seimas was elected and on May 15 declared Lithuania a democratic republic.
1922 Aleksandras Stulginskis was elected President of the Republic of Lithuania.
1926 Kazys Grinius was elected President of the Republic of Lithuania. After six months in office he was forced to resign. Antanas Smetona was elected President of the Republic for the second time. Lithuania became an authoritarian state.
1939 The outbreak of World War II. Lithuania was occupied twice - by the Nazi Germany and the Soviet Union. The Soviet occupation lasted for almost 50 years.
1990 On March 11, members of the Supreme Council-Reconstituent Seimas of the Republic of Lithuania signed the Act of Restoration of Independent Lithuania whereby the sovereignty of Lithuania, abolished by a foreign force in 1940, was restored and Lithuania was declared an independent state.
1992 The Constitution was adopted, which restored the Office of the President, the head of state.
1993 Algirdas Mykolas Brazauskas was elected President of the Republic of Lithuania.
1998 Valdas Adamkus was elected President of the Republic of Lithuania.
2003 Rolandas Paksas was elected President of the Republic of Lithuania. In 2004, the Seimas of the Republic removed impeached President Paksas from office. Chairman of the Seimas Artras Paulauskas became Acting President.
2004 Lithuania acceded to NATO and the European Union.
2004 Valdas Adamkus was elected President of the Republic of Lithuania for the second time.