The Diet of Speyer or the Diet of Spires (sometimes referred to as Speyer V) was an Imperial Diet of the Holy Roman Empire which took place in 1570 in the Imperial City of Speyer (also known as Spires, in present-day Germany).[1]
- ^ Close, Christopher W. (2021-02-25). State Formation and Shared Sovereignty: The Holy Roman Empire and the Dutch Republic, 1488–1690. Cambridge University Press. pp. 184–187. ISBN 978-1-108-83762-0.