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  2. History of Sri Lanka (1948–present) - Wikipedia

    en.wikipedia.org/wiki/History_of_Sri_Lanka_(1948...

    In 1978 Jayewardene introduced a new constitution making Sri Lanka a presidential 'Democratic Socialist' republic, with himself as executive President The Constitution of Sri Lanka: Chapter I – The People, the State and Sovereignty. In 1980 he crushed a general strike by the trade-union movement, jailing its leaders.

  3. Chemically strengthened glass - Wikipedia

    en.wikipedia.org/wiki/Chemically_strengthened_glass

    Also unlike toughened glass, chemically strengthened glass may be cut after strengthening, but loses its added strength within approximately 20 mm of the cut. Similarly, when the surface of chemically strengthened glass is deeply scratched, this area loses its additional strength. Another negative of chemically strengthened glass is the added cost.

  4. History of Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/History_of_Sri_Lanka

    The history of Sri Lanka covers Sri Lanka and the history of the Indian subcontinent and its surrounding regions of South Asia, Southeast Asia and the Indian Ocean. Prehistoric Sri Lanka goes back 125,000 years and possibly even as far back as 500,000 years. [1] The earliest humans found in Sri Lanka date to Prehistoric times about 35,000 years ...

  5. Category:Historical events in Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/Category:Historical_events...

    Category: Historical events in Sri Lanka. ... Download as PDF; Printable version; ... 2023 events in Sri Lanka by month (1 C) D.

  6. Triplex Safety Glass - Wikipedia

    en.wikipedia.org/wiki/Triplex_Safety_Glass

    The Triplex Safety Glass Company Ltd was founded in 1912 by Kent-born Reginald Delpech (30 March 1881 - 29 May 1935). [ 2 ] [ 3 ] The company was established in 1912 to build laminated windscreens in Britain, under French patents.

  7. List of presidents of Sri Lanka - Wikipedia

    en.wikipedia.org/.../List_of_presidents_of_Sri_Lanka

    The president of Sri Lanka is the elected head of state and the chief executive of Sri Lanka. The president is a dominant political figure in the country. The office was created in 1972, as more of a ceremonial position. It was empowered with executive powers by the 1978 Constitution introduced by J. R. Jayewardene.

  8. Great Rebellion of 1817–1818 - Wikipedia

    en.wikipedia.org/wiki/Great_Rebellion_of_1817–1818

    Great Rebellion of 1817–1818 (Sinhala: ඌව වෙල්ලස්ස මහා කැරැල්ල), also known as the 1818 Uva–Wellassa Rebellion (after the two places it had started), was the third Kandyan War in the Uva and Wellassa provinces of the former Kingdom of Kandy, which is today the Uva province of Sri Lanka.

  9. List of National Heroes of Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/List_of_National_Heroes_of...

    "81 leaders in 1818 freedom struggle declared as national heroes". www.dailymirror.lk. Daily Mirror; Somasundaram, Daya (2010). "Collective trauma in the Vanni- a qualitative inquiry into the mental health of the internally displaced due to the civil war in Sri Lanka". International Journal of Mental Health Systems. 4. University of Jaffna: 4.