There is no year 0 in the calendar we follow. 1 BC moves directly into 1AD. The first decade was AD 1-10. The second, AD 11-20. We will begin to celebrate the next decade on January 1, 2011.
In 2010. To prove it, look at the eighties: 1980-1989. So the second decade of the twenty-first century is from 2010-2019.
10 years is called a decade hence it is only a decade not decade of years
one decade is 10 years, one decade is 3650 days
A decade is 10 years. Since there are 12 months in a year, a decade will have 120 months.
the fourth decade. 1947
1990s.
Whatever the current decade is.
Early 1970's
There is no year 0 in the calendar we follow. 1 BC moves directly into 1AD. The first decade was AD 1-10. The second, AD 11-20. We will begin to celebrate the next decade on January 1, 2011.
EARTH DAY WAS STARTED IN THE 1960S
On the 1st of January 2011.
840s
1950
i have no idea but i no they thought about it
The Era of Jazz began in the 1920's.
The industrial Revolution began around 1850.