It was cut to 1,600 metres and opened to older horses in 1878.

The race was opened to male horses and extended to its present distance in 1987.

It was opened to horses born and bred outside Italy in 1981.

The race was opened to older horses in 1994.

It was cut by another furlong and opened to older horses in 1987.

Open to horses age three and older, it was raced on dirt.

This procedure is used to open the race to foreign horses and some name mounts who do not have the points.

The race quickly gained attention and was gradually opened to horses from other countries.

The race was opened to older horses and cut to a mile in 1989.

It was opened to older horses and promoted to Group 2 in 1985.