May 19: Commemoration of Atatürk, Youth and Sports Day in Turkey (1919); Victoria Day in Canada (2025) Prince Harry and Meghan Markle 1655 – Anglo-Spanish War: England invaded Spanish Jamaica, capturing it a week later. 1743 – French physicist Jean-Pierre Christin published the design of a mercury thermometer using the centigrade scale, with 0 representing the melting point of water and 100 its boiling point. 1828 – The United States Congress passed the largest tariff in the nation's history, which resulted in severe economic hardship in the American South. 1915 – First World War: Australian and New Zealand troops repelled the third attack on Anzac Cove, inflicting heavy casualties on the attacking Ottoman forces. 2018 – The wedding of Prince Harry and Meghan Markle (both pictured) took place at St George's Chapel in Windsor Castle, England. Alcuin (d. 804)Claude Vignon (b. 1593)Nora Ephron (b. 1941)John Gorton (d. 2002) More anniversaries: May 18 May 19 May 20 Archive By email List of days of the year About