In addition, Sri Lankan male dancers witnessed the assassination of Caligula.
It has had a long history of international engagement, as a founding member of the South Asian Association for Regional Cooperation (SAARC), and a member of the United Nations, the Commonwealth of Nations, the G77, and the Non-Aligned Movement.
Sri Lankan monarchs undertook some remarkable construction projects such as Sigiriya, the so-called "Fortress in the Sky", built during the reign of Kashyapa I of Anuradhapura, who ruled between 477 and 495.
The Sigiriya rock fortress is surrounded by an extensive network of ramparts and moats.
According to the Mahavamsa, the legendary Prince Vijaya named the land Tambapanni ("copper-red hands" or "copper-red earth"), because his followers' hands were reddened by the red soil of the area.
The era spans the Palaeolithic, Mesolithic and early Iron Ages.
The next invasion came immediately in 205 BC by a Chola king named Elara, who overthrew Asela and ruled the country for 44 years.