Coins minted in the Year 1873

What happended in 1873?
Monarch is Queen Victoria. Prime Minister is William Ewart Gladstone (Liberal). Gladstone actually resigned on 13 March but as the Conservatives could not form a government, he became PM again two days later. US President is Ulysses S. Grant (R-Ohio). The Kennel Club is founded. In the USA, the Coinage Act of 1873 comes into force, ending bimetallism in the U.S. and moving America onto the gold standard.