The 1896 Olympics had 43 events spanning 9 sports. Those 9 sports were: Swimming, Athletics, Cycling, Fencing, Gymnastics, Shooting, Tennis, Weighlifting and Wrestling - all of which are still being contested in the current Olympic schedule
The same as they had in the ancient olympics
There are no specifically Irish sports as part of the Olympics, such as Ireland's national sports, Gaelic Football and Hurling. Irish Olympians participate in various sports at the Olympics such as athletics, boxing, swimming , equestrian sports and others.
Some of the original sports in the Olympics were running, wrestling, and later boxing. Today there are 26 events in the summer Olympics and sports in the winter.
The ancient Olympics influence the modern day Olympics because they are still in our lives. We wouldn't have all the sports we have today if it wasn't for the ancient times.