Misc: what organisation did mr waverly assign agents for?

Questions

During which conflict were the battles of Blore Heath, Wakefield, Northampton and Mortimer's Cross?

After whose rebellion were the 'Bloody Assizes' presided over by the infamous Judge Jeffreys?

In which London thoroughfare is the famous Hamley's Toy Shop?

For which decoration do the letters C.G.M. stand?

In which constellation is the first magnitude, giant star Aldebaran?