monarch

They are usually arranged at the invitation of the monarch, acting on government advice.

The visit runs from 17 to 19 September - traditionally, second-term presidents are not offered a state visit and have instead been invited for tea or lunch with the monarch.

Queen Elizabeth, Britain's longest reigning monarch, who died at the age of 96, had been president of the Women's Institute branch in Sunningdale.

Also, monarch butterflies flit among the tall stands of narrow leaf milkweed, the plant their caterpillars require to survive.

The Royal Mint has made the circulating coinage of each of Britain's monarchs since Alfred the Great.