Hanif Muhammad in 1956 made first century of Pakistan side.
In all levels of professional cricket, the exact player who made the first century is likely to remain undiscovered, however the first man to make a century in international cricket was Charles Bannerman of Australia, in the very first test match ever. England vs Australia, Melbourne, 1887.
Kapil Dev scored first Century in ODI for India. His score of 175* against Zimbabwe in 1983 Cricket World Cup is the first century by an Indian in ODI.
Amiss of England scored the first century of the ODI Cricket in 1972 vs Australia in the first One Day International, Prudential Trophy.
Pakistan in visakhapatnam
Charles Bannerman made 165 (retired hurt) for Australia in the first cricket test at the Melbourne Cricket Ground, during the match between Australia and England in March 1877.
sachin tendulkar first century of one's cricket career.
suresh raina was the first indian to score a century against south africa