Which British monarch came to the throne in 1837, less than a month after her 18th birthday?

British General Gage said of a June 1775 battle, "The loss we have sustained is greater than we can bear." Which battle? British General Howe's September 1777 victory at which Pennsylvania creek led to the occupation of Philadelphia? Which English king had six wives? In 1780, British Major John Andre received secret plans to which American fort on the Hudson River? Which British monarch followed George V, Edward VIII and George VI? Which British philosopher and mathematician won the 1950 Nobel Prize in Literature? British playwright Tom Taylor wrote which farce that played at Ford's Theatre in April 1865? Which English royal house was symbolized by a white rose?