1194 – King Richard I of England gives Portsmouth its first royal charter.
1230 – William de Braose is hanged by Prince Llywelyn the Great.
1536 – Anne Boleyn, Queen of England, is arrested and imprisoned on charges of adultery, incest, treason and witchcraft.
1559 – John Knox returns from exile to Scotland to become the leader of the nascent Scottish Reformation.
1568 – Mary, Queen of Scots, escapes from Lochleven Castle.
1611 – The King James Version of the Bible is published for the first time in London, England, by printer Robert Barker.
1625 – Afonso Mendes, appointed by Pope Gregory XV as Latin Patriarch of Ethiopia, arrives at Beilul from Goa.
1670 – King Charles II of England grants a permanent charter to the Hudson's Bay Company to open up the fur trade in North America.
1808 – Outbreak of the Peninsular War: The people of Madrid rise up in rebellion against French occupation. Francisco de Goya later memorializes this event in his painting The Second of May 1808.
1812 – The Siege of Cuautla during the Mexican War of Independence ends with both sides claiming victory.
1829 – After anchoring nearby, Captain Charles Fremantle of , declares the Swan River Colony in Australia.
1863 – American Civil War: Stonewall Jackson is wounded by friendly fire while returning to camp after reconnoitering during the Battle of Chancellorsville. He succumbs to pneumonia eight days later.
1866 – Peruvian defenders fight off the Spanish fleet at the Battle of Callao.
1876 – The April Uprising breaks out in Ottoman Bulgaria.
1885 – Cree and Assiniboine warriors win the Battle of Cut Knife, their largest victory over Canadian forces during the North-West Rebellion.
1889 – Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
1906 – Closing ceremony of the Intercalated Games in Athens, Greece.
1920 – The first game of the Negro National League baseball is played in Indianapolis.
1933 – Germany's independent labor unions are replaced by the German Labour Front.