What do you think the greatest invention of the 20th century was?

Answer Television. It changed everything.

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Why is this century referred to as the 21st century?

This century is known as the 21st century because it encapsulates the years between 2000 through the end of the year 2099. It is the 21 consecutive amount of 100-year periods starting at the year 0... Read More »

What era is the 21st century?

The 21st is known as the "common era" or the "Christian era." Pope Gregory XIII standardized the Gregorian calendar we use today in the year 1582. Since it measures time dating from the birth of Je... Read More »

What was Jan Matzeliger's greatest invention?

Jan Matzeliger's greatest invention was the automatic shoe lasting machine. Matzeliger's shoe lasting machine quickly attached a sole to the shoe, increasing production outputs from 50 pairs a day,... Read More »

What is the first day of the 21st century?

The first day of the 21st century was January 1, 2001. Since there was no year zero, the first millennium began on January 1 in year number 1. Two thousand years later, the second millennium ended ... Read More »