Sri Lanka's first century in Test cricket came in a 1981-82 Test match against Pakistan on March 14-19, 1982, opener Sidath Wettimuny scoring 157 runs, his first of two centuries in Test cricket.
Brendon Kuruppu of Sri Lanka scored the slowest double century of Test Cricket in 2009 against New Zealand on 548 balls in 777 minutes.
Charles bannerman have scored the first century in cricket test matches.
Murlidharan of Sri Lanka he had taken 800 wickets in test cricket
Andrew Sandham of England was the first triple-centurion in test cricket.
First 'century' of the test cricket was scored by Charles Bannerman of Australia in the first ever test cricket match played between England and Australia in the year 1877.
Charles Bannerman (Australia)