Traffic lights were first used in London in which year?

More Questions:

The Eisner Award is an award given in what field?

Pretzel and potato chip company Snyder's is based out of what Pennsylvania city?

The author Bram Stoker was what nationality?

What character is writer Colin Dexter most famous for creating?

Who created the character of Fozzie Bear?

Kimberlite contains what precious stone?

What is the opposite of nocturnal?

What is 40 percent of 40?

What animal is part of the eternal dilemma of what came first?

What’s the term for mass per unit volume?

An episode of what sitcom spawned the phrase "jumped the shark"?

What was the name of Vince Vaughn’s gymnasium in “Dodgeball: A True Underdog Story”?

What TV family had a maid named Florence Johnston?

Who starred as David in the TV show "The Hogan Family"?

What is widely considered to be man's first celestial observatory?