What irrational number is the base of a natural logarithm?

More Questions:

Whose famous horse was named Buttermilk?

On what gold course would you find the three tricky holes called the "Amen Corner"?

Which bird is the national bird of Lithuania?

In what country was the "Michelin Guide" first published in 1900?

In what city can tourists visit the famous Bourbon Street?

What actress earned an Oscar nomination for her first screen appearance in "The Heart is a Lonely Hunter"?

What 1984 Ratt his featured a cross-dressing Milton Berle in its video?

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

What first lady was nicknamed the "Steel Magnolia"?

What tanker ran aground in Prince William Sound, Alaska, on March 24, 1989?

Which US president lived in Peacefield?

Who composed "Symphonie fantastique"?

Who was the Roman god of sleep?

What country music singer was born in Muskogee, Oklahoma in 1983?

The "Chuuk Lagoon", considered one of the best World War II wreck dive sites, is part of which island nation?