What did Ray Tomlinson send in Cambridge, Massachusetts, in late 1971?

More Questions:

What fashion brand was co-founded by Jay-Z and Damon Dash?

What fictitious murderer first appeared in the story "String of Pearls: A Romance"?

Who were the Three Musketeers?

What do most lobsters and crayfish do with their shell after it has molted?

What vitamin group is mostly required for blood coagulation?

In The Simpsons episode, "Krusty Gets Busted', according to Bart, what do all good-hearted people have?

What instrument was played by jazz musician Glenn Miller?

Who played the title character in the film "The Omega Man"?

Who uttered the line "There you go again" during a debate?

What New York City landmark is nicknamed "The Crossroads of the World"?

In 1853, what country sold the US land, in what was known as the Gadsden Purchase?

What country presented the US with a gift of cherry trees in 1912?

Who was the first person to break the sound barrier?

Whose painting "Irises" was sold to Alan Bond in 1987?

What river acts as a natural boundary between the counties of Norfolk and Suffolk?