Historical Events May 6 Johan Mauritius resigns as governor of Brazil May 23 Johan Mauritius van Nassau resigns as head of Civil rights activists May 27 Battle of Shanhai Pass: Li Zicheng's army defeated by combined Ming and Manchu force May 28 Bolton Massacre by Royalist troops under the command of the Earl of Derby (English Civil War) Famous Birthdays May 23 Thomas Eisenhut, German composer, born in Aursburg, Germany (d. 1702) 1643 History by Year 1645 Famous People Who Were.. Abolitionists Dictators Explorers Outlaws Queens Spies