The Battle of Grand Gulf was fought on April 29, 1863, during th: The United Kingdom does not have a single legal system as Article 19 of the 1706 Treaty of Union provided for the continuation of Scotland's separate legal system.[221] Today the UK has three distinct systems of law: English law, Northern Ireland law and Scots law. A new Supreme Court of the United Kingdom came into being in October 2009 to replace the Appellate Committee of the House of Lords.[222] The Judicial Committee of the Privy Council, including the same members as the Supreme Court, is the highest court of appeal for several independent Commonwealth countries, the British Overseas Territories and the Crown Dependencies.[223]