This long-running TV show featured characters like Lucy and Ricky Ricardo.
I Love Lucy
This singer was known as “The King of Rock and Roll.”
Elvis Presley
This war was fought between the North and South regions of the United States from 1861–1865.
American Civil War
This scientist developed the theory of relativity.
Albert Einstein
This Canadian province joined Confederation last, in 1949.
Newfoundland and Labrador
In The Wizard of Oz, Dorothy follows this colorful road.
Yellow Brick Road
This British band released songs like “Hey Jude” and “Let It Be.”
The Beatles
This wall divided a German city from 1961 until 1989.
The Berlin Wall
This is the hardest natural substance found on Earth.
Diamond
This is the longest river in Canada.
Mackenzie River
This actor famously said “Here’s looking at you, kid” in Casablanca.
Humphrey Bogart
Frank Sinatra was often associated with this nickname referring to his blue eyes.
“Ol’ Blue Eyes”
Neil Armstrong became the first person to walk on the Moon during this mission.
Apollo 11
This organ in the human body produces insulin.
Pancreas
This capital city lies on the Ottawa River and borders Quebec and Ontario.
Ottawa
This TV western starred James Arness as Marshal Matt Dillon.
Gunsmoke
This female singer performed “Respect” and became the Queen of Soul.
Aretha Franklin
This British Prime Minister led the UK during most of World War II.
Winston Churchill
This part of the human eye controls how much light enters.
Iris
This desert is the largest hot desert in the world.
Sahara Desert
Julie Andrews played Maria in this musical film set in Austria.
The Sound of Music
This British rock band released the album Dark Side of the Moon in 1973.
Pink Floyd
This U.S. scandal in the 1970s led to the resignation of President Richard Nixon.
Watergate Scandal
This part of the cell contains genetic material (DNA).
Nucleus
This European river flows through cities like Vienna, Budapest, and Belgrade.
Danube River