Misc: What is a group of puppies?

Questions

In 1824 George---------- , Scottish novelist (Lilith), born. ?

In 1830 Emily ---------- (in Amherst, Mass), poet, born. ?

In 1851 Melvil Dewey, created the Dewey ---------- System for libraries ?

In 1896 Alfred ---------- dies; Swedish Nobel Prize ceremony on this date. ?

In 1898 Spanish-American War ends -- U.S. acquires Guam, Puerto Rico, the Phillipines, and ---------- from Spain. ?