The History Carnival is up at "(a)musings of a grad student", and it's a beauty. Click on the link if you want to learn about Victorian Halloween reads, illuminated manuscripts of Christine de Pisan, material evidence in early modern English courts, the history of the electric chair, Locke's First Treatise, and more.
The Philosophers' Carnival is up at "Prior Knowledge,"
with discussion of eternity, Leibniz's view of final causes, antecedent naturalism, Heidegger, and more.