This U.S. president led the country during most of World War II.
Who is Franklin D. Roosevelt?
This gas, essential for breathing, makes up about 21% of the air we breathe.
What is oxygen?
In 1963, this U.S. president was assassinated in Dallas, Texas.
Who is John F. Kennedy?
This device, created by Alexander Graham Bell, transformed communication forever.
What is the telephone?
This American aviator was the first woman to fly solo across the Atlantic Ocean.
Who is Amelia Earhart?
This U.S. president signed the Civil Rights Act of 1964, aiming to end segregation.
Who is Lyndon B. Johnson?
This light gas is used in balloons because it is lighter than air and non-flammable.
What is helium?
In 1945, World War II ended after this country surrendered following two atomic bombings.
What is Japan?
This life-saving vaccine, developed by Jonas Salk, nearly eradicated a crippling childhood disease.
What is the polio vaccine?
This artist painted the famous portrait known as the Mona Lisa.
Who is Leonardo da Vinci?
This British prime minister was known for her strong leadership and was called the “Iron Lady.”
Who is Margaret Thatcher?
This metal, symbol Fe, is used to make steel and was essential in building railroads and bridges.
What is iron?
In 1492, this explorer sailed across the Atlantic and reached the Americas
Who is Christopher Columbus?
The Wright brothers invented and flew the first successful one of these in 1903.
What is an airplane?
This baseball legend was known as the “Sultan of Swat.”
Who is Babe Ruth?
This agreement, signed in 1998, helped bring peace to Northern Ireland.
What is the Good Friday Agreement?
This element, found in table salt, has the chemical symbol Na.
What is sodium?
The stock market crash of this year marked the start of the Great Depression.
1929?
This Swedish inventor created dynamite and later established the Nobel Prizes.
Who is Alfred Nobel?
This British prime minister led the country through World War II with determination and powerful speeches.
Who is Winston Churchill?
This organization, often abbreviated NATO, is an alliance formed in 1949 to promote defense cooperation.
What is the North Atlantic Treaty Organization?
This radioactive element was discovered by Marie Curie and is used in some cancer treatments.
What is radium?
In 1986, this Soviet nuclear power plant exploded, causing one of the worst nuclear accidents in history.
What is Chernobyl?
This device, invented by Gutenberg in the 1400s, revolutionized the spread of information.
What is the printing press?
This humanitarian founded the Missionaries of Charity and won the Nobel Peace Prize in 1979.
Who is Mother Teresa?