1568 - Queen Elizabeth I of England orders the arrest of Mary, Queen of Scots (Source)
John Knox has been quoted as saying (About Mary, Queen of Scots): "If you strike not the root, the branches will grow again."
For information on Mary's more well-known relatives, Mary Tudor (ada Bloody Mary), Queen Elizabeth I, check out the following:
Church History: English Reformation, by Matt Powell
Antichrist Rages in England: Bloody Mary: God's Tool of Reformation, by W. J. Mencarow [Text: Revelation 11, 18]
Bloody Mary, Part 1, by Rev. John Sawtelle
Bloody Mary, Part 2, by Rev. John Sawtelle
Elizabeth I, Part I, by Joe Morecraft III
Elizabeth I, Part II, by Joe Morecraft III
1649 An Act of Parliament declaring England a Commonwealth is passed by the Long Parliament. England would be a republic for the next 11 years (Source)
I think it was Oliver Cromwell who said:
"You need not hope in order to undertake, and you need not succeed in order to persevere." The following sermons and podcasts are on Oliver Cromwell and the English Civil War:
1828 - U.S. President John Quincy Adams signs the Tarriff of 1827 into law, protecting wool manufacturers in the United States - (Source)
Recommended sermons and podcasts:
John Adams and Thomas Jefferson: A Friendship That Changed the World, by Historian Bill Potter