Danish postmaster Einar Holboll is credited with the 1903 creation of what?

More Questions:

What two colours make purple?

Which German city was the birthplace of the poet Heinrich Heine?

Rodin's "The Thinker" is believed to be a portrait of what Italian poet?

What philosopher/author lived on the shores of Walden Pond?

From what language did English borrow the word "catamaran"?

What constitutes 12 percent of an egg's weight?

According to their own theme song, what 1960's group was "too busy singin" to put anybody down"?

What was Betty Rubble's maiden name?

In The Simpsons, according to Mr. Burns, who was a man that could get things done?

Who plays the role of the Prime Minister, in the 2003 film "Love Actually'"?

In what year did Pierre Trudeau become the 15th Prime Minister of Canada?

Who worked as the lead Soviet rocket engineer during the Space Race between the United States and the Soviet Union?

Sapphires are typically what color?

What are the calm weather periods occuring near the Equator called?

In which children’s series is the villain named Count Olaf?