Coins minted in the Year 1852

What happended in 1852?
In the UK: Monarch is Queen Victoria. Prime Minister is Lord John Russell (Whig), then on 23 February is Edward Smith-Stanley, 14th Earl of Derby (Conservative), then on 19 December is George Hamilton-Gordon, 4th Earl of Aberdeen (Coalition). Great Ormond Street Hospital in London opens as The Hospital for Sick Children. Charles Dickens' novel Bleak House is serialised.
In the USA: President is Millard Fillmore (W-New York). The California Gold Rush continues (1848–1855).