1. 1920s
   1910s
2. 1900s

Would you believe that all these events happened in 1901? What a year!

1. 1900s
   1930s
2. 1910s

That was 1917 in a nutshell. The 1910s saw so much change around the world.

1. 1910s
   1930s
2. 1940s

The 1940s saw some incredible inventions. The decade also saw the carnage of WWII.

1. 1950s
   1960s
2. 1970s

The '60s were a time for Vietnam War protests, civil rights and general uprising. There was also some pretty great music to go with it.

1. 1990s
   2000s
2. 2010s

The 2000s were a time of terror and new beginnings. It seems like the hurricanes have just kept coming since then.

1. 1980s
   1990s
2. 2000s

The very end of the 1980s were busy, indeed! So much was happening right before we entered into the 1990s.

1. 1990s
   2000s
2. 2010s

These recent events in our history show that history never stops! It's like something explosive happens every day.

1. 1900s
   1910s
2. 1920s

The very start of the 1900s saw the first $1 camera and the formulation of quantum theory by Max Planck.

1. 1900s
   1910s
2. 1920s

Again, we see how the very start of the century was packed with firsts. The 1904 Olympics marked the first time the games were held in the U.S.

1. 1960s
   1970s
2. 1980s

All of these remarkable events took place in 1973. It was also the year the Sears Tower was completed in Chicago.

1. 1960s
   1970s
2. 1980s

This all took place in 1974. It was like the whole world was going berserk, and it would only get crazier.

1. 1990s
   1980s
2. 1970s

1981 is one of the most important years in history. All these things took place. (And the author of this quiz was born).

1. 1970s
   1980s
2. 1990s

The beginning of the '80s had a lot of goods and a lot of bads. John Lennon was killed in 1980.

1. 1980s
   1990s
2. 2000s

All these events took place at the very beginning of the '90s. Lech Walesa also became the president of Poland.

1. 1990s
   2000s
2. 2010s

All these events took place towards the beginning of the 2000s. That's after we all survived Y2K.

1. 1960s
   1970s
2. 1980s

These events marked the 1980s. It was a time where Ronald Reagan first traveled to Berlin to urge them to bring the wall down.

1. 1970s
   1980s
2. 1990s

The '90s were a time of prosperity, scandal and tragedy. But for the most part, it was a peaceful decade.

1. 1990s
   2000s
2. 2010s

The invention of the iPod got the millennium off to a good start. But the tsunami was a tragedy that killed more than 200,000 people.

1. 1900s
   1910s
2. 1920s

Would you believe that all these events took place in 1915? It was also the year Germans first used poison gas as a weapon.

1. 1900s
   1910s
2. 1920s

These events took place at the end of the 1910s. Although WWI ended in 1918, trouble was brewing on the horizon.

1. 1900s
   1920s
2. 1930s

The Roaring '20s truly saw the liberation of women in many respects. But the Great Depression was soon to come.

1. 1920s
   1930s
2. 1940s

Amelia became the first woman to fly solo across the Atlantic in 1932. That was also the year Charles Lindbergh's baby was kidnapped.

1. 1930s
   1940s
2. 1950s

1931 was the beginning of a tumultuous decade, and Al Capone went to prison. Also, the Christ the Redeemer statue was dedicated in Rio de Janeiro.

1. 1930s
   1940s
2. 1950s

It was at the very end of the 1950s that all these remarkable events took place. Also, the quiz show scandals were revealed in 1959.

1. 1950s
   1960s
2. 1970s

The '60s started off normal enough, but things got turned upside down. Lyndon B. Johnson became our unexpected president.

1. 1900s
   1910s
2. 1920s

The 1900s were clearly a great decade for transportation. In 1904 alone, all of these groundbreaking innovations took place.

1. 1900s
   1910s
2. 1920s

Towards the end of the 1910s, Daylight Savings Time was first adopted! U.S. entry into WWI took place in 1917.

1. 1900s
   1910s
2. 1920s

Toward the very beginning of the 1920s, the League of Nations was established. Bubonic plague hit India.

1. 1900s
   1910s
2. 1920s

1916 was a busy year, indeed. This year also saw the first use of tanks in warfare.

1. 1930s
   1940s
2. 1950s

1933 saw some remarkable changes, but threats were on the horizon. This was the year the Loch Ness monster was first spotted.

1. 1940s
   1950s
2. 1960s

The 1950s were an interesting time of prosperity, coming out of WWII. The Peanuts cartoon strip first appeared!

1. 1940s
   1950s
2. 1960s

Again, the beginning of the 1950s were a peaceful, eventful time. In 1952 Princess Elizabeth II became Queen of England.

1. 1900s
   1910s
2. 1920s

The Oreo cookie rose and the Titanic sank in the same year. It was 1912. Parachutes were also invented.

1. 1920s
   1930s
2. 1940s

Ireland was free, and Mussolini was on the rise. But the '20s also saw the discovery of King Tut's tomb!

1. 1900s
   1910s
2. 1920s

At the very start of the 1910s, the Boy Scouts were established. Halley's comet made an appearance in the same year - 1910.