Athens (Greece) - 1896
These Summer Games occured between April 6, 1896 and April 15, 1896 and involved 14 nations.

241 athletes involved (241 men, 0 women) in 43 events.

9 sports:
Aquatics
Athletics
Cycling
Fencing
Gymnastics
Shooting
Tennis
Weightlifting
Wrestling

Candidate cities:
Athens was selected for the Games of the First Olympiad

Opening speech by His Majesty The King George I.

Source: IOC.