What year was the first electric car produced?

When was the first commercial flight?

What year was the first laptop created?

Which of these was the first produced? (1973)

When was the first microwave invented?

The first elevator was introduced at the NY world's Fair by Mr. Otis in what year?

The first electric lights on a Christmas tree by a friend of Thomas Edison happened in what year?

The first home video game system , the odyssey, was introduced in what year?

Which one of these was the "newest" invention?