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.
Sachin Tendulkar was 17 years old when he scored his first Test Century.
The first century on debut in test cricket was in the first ever test match played. Charles Bannerman scored 165 retired hurt (Australia only scored 245 still highest proportion of runs scored by a batsman in an innings)
Charles Bennerman of Australia scored the first century in the first inning of the first Test Match in 1877.
Lala Amarnath was the first Indian to score a Test Match Century
Charles Bannerman scored the first century for Australia against England on the first day of the first Test match on 15 March, 1877.
Aminul Islam scored first century for Bangladesh in test cricket. He scored 145 runs against India in 10th of November, 2000 at Dhaka, Bangladesh.
Charles bannerman have scored the first century in cricket test matches.