What does the Latin word "circa" before a date mean?

More Questions:

What was the first name of the real Chef Boyardee?

Which car is considered to be the first hot hatchback, introduced in the 1970s?

When is Cinderella required to leave the ball?

What cartoonist of "Maus" also created "Topps Garbage Pail Kids"?

In which Mediterranean Sea are the Cyclades islands?

In what US state would you find Area 51?

What ocean is the island-nation of Madagascar located in?

What plant's roots are used to make tapioca?

Starfish belong to what animal phylum, whose name means "spiny skin"?

In Star Wars, what is the name of Han Solo's ship?

What army is invading Pepperland in the Beatles film "Yellow Submarine"?

Which US naval base did Japan attack in 1941 to declare war on the Allies?

Who was U.S. President when electricity was installed in the White House, in 1891?

Who uttered the line "Senator, you are no Jack Kennedy."?

How old was Buddy Holly when he died in a plane crash in 1959?