If we are to use the precedent set in the previous century (and I do) then the first decade of a century is called the oughts. The year 2009 can also be called twenty ought nine. Slightly archaic, but we don't have any good replacement.
years...or 10, 100,1000
In 2010. To prove it, look at the eighties: 1980-1989. So the second decade of the twenty-first century is from 2010-2019.
That's the year 301.
No, a decade is every ten years, a century is every 100.
The first 10 years of a decade are the decade. The first 10 years of a century are called the auts.
first decade of the 16th century
If we are to use the precedent set in the previous century (and I do) then the first decade of a century is called the oughts. The year 2009 can also be called twenty ought nine. Slightly archaic, but we don't have any good replacement.
During the first decade of the last century.
My grandmother referred to the first decade of the 1900's as the "oughts". It's a catchy term and I think it should be used for the first decade of 2000.
years...or 10, 100,1000
it is called "half a century"
In 2010. To prove it, look at the eighties: 1980-1989. So the second decade of the twenty-first century is from 2010-2019.
A decade :D
That's the year 301.
A decade is a spell of 10 years - a spell of 100 years is called a century.
The date is unkown but was in the first decade of the first century AD.