The Gotthard Base Tunnel, which opened on June 1, 2016, is located in which country?

More Questions:

What magazine began publishing its annual list of the 500 most-successful companies in the US in 1955?

What is the complementary colour of red?

What color is New York's Staten Island Ferry?

Whose best-selling diary was written by Helen Fielding?

What year did H. G. Wells publish "The Island of Doctor Moreau"?

Which drug was first extracted from the bark of the cinchona tree?

Anthracite and bituminous are two types of what mineral?

Where did Susie fall asleep in the Everly Brothers song "Wake Up Little Susie"?

What 20th century conflict was dubbed the "forgotten war"?

Henry VIII was a member of what dynastic house of the English monarchy?

Who did Idi Amin succeed as president of Uganda?

Which US amendment to the Constitution limits the president to two terms?

Which US president lived in Shadow Lawn?

The Zimmermann Telegram resulted in US entry into what war?

What is the only food that cannot give Tony Chu a psychic sensation in the comic series "Chew"?