Because it is a violent sport
Chess
Triple jump for men was an event at the first modern Olympics in 1896.
In 1896, when the first modern Olympic was held, The first medals of the modern Olympics awarded in Track and Field, more specifically, the Triple Jump.
The first summer modern Olympics was in 1896. These were officially know as the Games of the I Olympiad. It was a multi sport event, celebrated in Athens, Greece from the 6th to 15th April 1896.
The first modern Olympics was in 1896 at Athens and the javelin competition's first year was 1908 in London.
It has been in every summer Olympics since the first modern one in 1896. But it was also an important sport in the ancient Greek Olympics, which happened many times.
The first sport that will be featured in the 2012 Olympics is Women's football.
AnswerYes swimming is an olympic summer sport, there are different water activities like diving, length swimming etc. and the mens and womens are separate as always! Swimming has many different events in the olympics.AnswerYes, swimming has been competed in the Modern Olympics since the first Modern Games in 1896.
Don't know about new sports but some old sport will be removed, such as baseball.
sprint
The pentathlon is a modern Olympics sport.