Tin or aluminum is the traditional gift for which anniversary?

More Questions:

Which car maker made the EV-1 vehicle?

What hockey great wore the number 68 to commemorate the Prague Spring of 1968?

What mid-day nap takes its name from the Spanish word sexta, meaning sixth?

What is the name of the strait of water that separates the two main islands of New Zealand?

How many US state capital cities lie on the Mississippi River?

Who won the Academy Award for Best Actor in 2017?

What year did the band Human League release an album titled "Dare"?

Who sang the song "Foolish Games"?

Who is smarter than the average bear?

What pacific atoll was the site of nuclear tests between 1946 and 1958?

What city was Martin Luther King, Jr. killed in?

How many main islands make up the state of Hawaii?

In Greek mythology, what were Medusa, Stheno and Euryale collectively known as?

What Beatles song is referenced in the opening verse to Bad Company's "Shooting Star"?

The Khyber pass joins which two countries?