Croquet, Tennis, and Golf were the first events women competed at in the 1900 Games in Paris. The first event that a woman won a gold medal in was tennis.
Breaststroke was first competed at the 1904 Games in St. Louis.
Trinidad and Tobago sent a team of five athletes to their first Olympics, the 1948 Games in London: George Lewis, Manny Ramjohn, and Wilfred Tull competed in athletics, Compton Gonsalves competed in cycling, and Rodney Wilkes competed in weightlifting. Wilkes won a silver medal, Trinidad and Tobago's first ever Olympic medal, in the featherweight class.
History says that the very first Olympians competed in the Ancient Olympic Games in Olympia, Greece. The first Modern Olympic Games was held in April of 1896 in Athens, Greece.
The first Olympic decathlon was 1904, won by Tom Kiely. Before the event was in the Olympics other people competed in the event many times.
258 athletes from 16 nations competed of which 247 were men and 11 were women Link to answer: http://www.olympic.org/en/content/Olympic-Games/All-Past-Olympic-Games/Winter/Chamonix-1924/Chamonix-1924-Collection/?Tab=1