At which castle did the investiture of the Prince of Wales take place in 1969?

More Questions:

What type of gemstone was historically worn with the belief that it would prevent the wearer from becoming drunk?

What innovator is credited with inventing the television?

What hometown of Scott Joplin and Ross Perot is named for the three states whose border it sits near?

What city named its airport after Lester Pearson?

Who plays Pacey Witter on the TV show "Dawson's Creek"?

What was Betty Rubble's maiden name?

What town was the setting of The Andy Griffith Show?

What is the name of the reality series Token made featuring mobility scooter-bound Cartman in the TV show "South Park"?

Whose series of thirteen children's books of thirteen chapters each ended in 2006 with "The End"?

What year was Stonehenge added to UNESCO's list of World Heritage sites?

Who commanded the American forces in Vietnam until 1968?

What famous woman became known as "The Lady with the Lamp" during the Crimean War?

Which famous classical composer's music was featured in the film "Clockwork Orange"?

What Shakespearean play refers to the Eve of the Feast of Epiphany?

What brand of stapler is Milton Waddams attached to in the film "Office Space"?