When did the 21st century begin?

Answer The 21st century began on January 1, 2001. Much debate occurred near the end of 1999 regarding when the new millennium would officially begin. Many celebrated January 1, 2000 as the start of the ne... Read More »

Top Q&A For: When did the 21st century begin

When did the twenty-first century begin?

The Gregorian calendar has the first century as running from AD 1 to AD 100. This means that the end of the twentieth century was December 31, 2000. The exact time the twenty-first century began wa... Read More »

When does the 21st century begin?

Because the first century began with year one rather than year zero, the 21st century began on January 1, 2001. The year 2000 was the last year of both the 20th century and the previous millennium.... Read More »

When did the 20th century begin?

The 20th century began Jan. 1, 1901. The number of centuries is calculated from the beginning of the Common Era, (also called the Christian Era) which began in the year 1, according to HistoryLink.... Read More »

When did the nineteenth century begin?

The nineteenth century officially began on January 1, 1801 and ended on December 31, 1899. Centuries span the years before their number, so the 20th century was the 1900s, the 18th century the 1700... Read More »