COMMON LINK

The answers to the following five questions contain a word or words which have a common theme. Can you find the link?

1. Which city, once known to Europeans as ‘The Gateway to Asia’, is now the capital of Ukraine?

2. Which battle, fought in Piedmont in 1800, drove the Austrians from Italy and sealed Napoleon’s position as First Consul of France?

3. What is the Italian word for a hunter?

4. Which state of the USA is known as the Bluegrass State?

5. What name is given to lumps of natural gold found by prospectors?