This is a timeline of Sri Lankan history, comprising important & territorial changes and political & economic events in Sri Lanka and its predecessor states. To read about the background to these events, see History of Sri Lanka. 
 - Note
Do not add minor event as this timeline is for "important & territorial changes and political & economic events in Sri Lanka and its predecessor states". 
  Pre-history
 Pre 90th century BC
    | Year | Date | Events | 
  | 300,000 - 500,000 BP |  | First human settlements in Sri Lanka[1] | 
 Pre 6th century BC
  6th century BC - 1st century AD
  1st century AD - 11th century AD
  11th century AD - 13th century AD
     | Year | Date | Event | 
  | 1017 |  | Chola conquest and occupation of Anuradhapura: The Cholas under Rajendra I attack and conquer Sri Lanka. | 
  | 1029 |  | Chola conquest and occupation of Anuradhapura: Mahinda V, the last king of Anuradhapura, dies in Chola captivity. | 
  | 1029-1041 |  | Vikramabahu, the son of Mahinda V, launches a resistance movement against the Chola rule in Sri Lanka, but suddenly dies after contracting a disease in Rohana. | 
  | 1049 |  | A Sinhalese chieftain named Lokeshwara, temporarily defeats the Chola forces and establishes a military base in Ruhuna. | 
  | 1054 |  | Keshadhatu Kasyapa, a pretender to the Sinhalese throne, establishes a dominion in Eastern Ruhuna after driving away Chola forces, which would last until 1055. | 
  | 1055 |  | A fifteen-year-old prince named Kitti, belonging to a royal bloodline, annexes the domains of Lokeshwara and Keshadathu Kasyapa, uniting Ruhuna under his rule. Cholas are further pushed back from the South. | 
  | 1070 |  | Prince Kitti, who was given the title Vijayabahu, launches a seventeen-year campaign and successfully drives out the Cholas from Sri Lanka. | 
  | 1070 |  | Vijayabahu is crowned as the first king of Polonnaruwa. | 
  | 1084 |  | Velakkara Revolt: Tamil mercenaries named Velakkaras, mutiny against king Vijayabahu as he declared war with the Chola Empire due to arresting a group of Sinhalese ambassadors sent to Western Chalukya. | 
  | 1110 |  | Vijayabahu I dies at the age of 71, and the instalment of Jayabahu I as his successor without passing the throne to Vijayabahu's son Vikramabahu I causes a power struggle between the two rulers. | 
 19th century AD
  20th century AD
  21st century
  Notes
  
 References
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 | International |   Missions abraod 1693 Arakan (Burma)1696 Arakan (Burma)1706 Madura1739 Madura1741 Siam1745–7 Siam1750–3 Siam1799–1800 Burma
 Missions to Sri Lanka 1602 Dutch1697 Burmese1710 Dutch1731–32 Dutch1736 Dutch1745–46 Dutch1756 Siam1762 British1782 British1795–96 British1800 British
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