Misc: In 1951 1st commercial computer, ---------- , enters service at Census Bureau ?

Questions

In "Peanuts", what is the surname of Lucy & Linus?

In 1570 his army destroyed Novgorod and he had thousands executed?

In 1779, what city was replaced by Richmond as Virginia's capital?

In 1813, Laura Secord walked _____ to warn of an American attack?

In 1851, Jacob Fussel became the first to manufacture what treat commercially?