mainly journalism the years beginning 2000 noun the time during the year when there is teaching at schools, colleges, and universities abbreviation used after a date to show that it refers to a time after the birth of Jesus Christ adjective happening once a year adjective calculated or considered over a period of one year noun American the years from 2000 to 2009 abbreviation born: used before the date of someone’s birth in a book, article etc abbreviation before Christ: used after a date to show that it refers to a time before the birth of Jesus Christ abbreviation before the Common Era: used especially by non-Christians after a date to show that it refers to a time before the birth of Jesus Christ adjective happening twice every year noun a system for measuring the length of a year and dividing it into periods such as weeks and months noun the period of time between 1st January and 31st December of a particular year abbreviation Common Era: a method of numbering years which refers to the period of time that began after the birth of Jesus Christ noun a period of 100 years, usually counted from a year ending in –00. For example, the 20th century is the period from 1900 to 1999 noun any period of 100 years noun a method of numbering years which refers to the period of time that began after the birth of Jesus Christ noun a period of ten years, especially one beginning with a year that ends in a 0, for example 1990 to 1999 noun the years from 1980 to 1989 phrase the years from 1950 to 1959 noun British a period of twelve months that a company or organization uses to calculate how much profit it has made and how much it owes. The American word is fiscal year. noun mainly American a financial year phrase the years from 1940 to 1949 noun the system used in many countries for organizing the days of the year into months adjective done or happening twice a year noun February 29, the extra day added every four years to keep the western calendar correct noun a year that has 366 days instead of 365. Leap years happen every four years, when February has 29 days instead of 28. phrase the years around 1955/1985 etc noun a period of 1,000 years noun the beginning of a period of 1,000 years phrase the years from 1990 to 1999 noun humorous the years from 2000 to 2009 adverb formal for each year noun one of four periods of three months that the year is divided into, especially when you are talking about financial accounts adjective done or produced four times a year noun the period of the year when students must go to school noun American an academic year phrase the years from 1970 to 1979 phrase the years from 1960 to 1969 noun literary a year, especially of someone’s age phrase the years from 1930 to 1939 phrase used for saying that something happened on the same day in a different year phrase the years from 1920 to 1929 noun a period of 365 days, or 366 in a leap year, divided into 12 months noun used about a particular period of time, beginning on 1 January and ending on 31 December, or between the first and last dates on some other calendar noun used about the period during which an institution operates, or about the system that it uses for dividing time adjective continuing for a year adjective done once every year adjective happening, continuing, or available through the whole year A decade is a period of 10 years. The word is derived (via French and Latin) from the Ancient Greek: δεκάς, romanized: dekas, which means a group of ten. Decades may describe any ten-year period, such as those of a person's life, or refer to specific groupings of calendar years.
Any period of ten years is a "decade".[1] For example, the statement that "during his last decade, Mozart explored chromatic harmony to a degree rare at the time" merely refers to the last ten years of Wolfgang Amadeus Mozart's life without regard to which calendar years are encompassed. Also, 'the first decade' of a person's life begins on the day of their birth and ends at the end of their 10th year of life when they have their 10th birthday; the second decade of life starts with their 11th year of life (during which one is typically still referred to as being "10") and ends at the end of their 20th year of life, on their 20th birthday; similarly, the third decade of life, when one is in one's twenties or 20s, starts with the 21st year of life, and so on, with subsequent decades of life similarly described by referencing the tens digit of one's age.
The most widely used method for denominating decades is to group years based on their shared tens digit, from a year ending in a 0 to a year ending in a 9 – for example, the period from 1960 to 1969 is the 1960s, and the period from 1970 to 1979 is the 1970s. Sometimes, only the tens part is mentioned ('60s or sixties, and '70s or seventies), although this may leave it ambiguous as to which century is meant. However, this method of grouping decades cannot be applied to the decade immediately preceding AD 10, because there was no year 0.
Particularly in the 20th century, 0-to-9 decades came to be referred to with associated nicknames, such as the "Swinging Sixties" (1960s), the "Warring Forties" (1940s) and the "Roaring Twenties" (1920s). This practice is occasionally also applied to decades of earlier centuries; for example, referencing the 1890s as the "Gay Nineties" or "Naughty Nineties".
A rarer approach groups years from the beginning of the AD calendar era to produce successive decades from a year ending in a 1 to a year ending in a 0, with the years 1–10 described as "the 1st decade", years 11–20 "the 2nd decade", and so on; later decades are more usually described as 'the st, nd, rd, or th decade of the st, nd, rd, or th century' (using the strict interpretation of 'century').[a] For example, "the second decad of the 12th. Cent." (sic);[2] "The last decade of that century";[3] "1st decade of the 16th century";[4] "third decade of the 16th century";[5] "the first decade of the 18th century".[6] This decade grouping may also be identified explicitly; for example, "1961–1970";[7] "2001–2010";[8] "2021–2030".[9] The BC calendar era ended with the year 1 BC and the AD calendar era began the following year, AD 1. There was no year 0.
A YouGov poll was conducted on December 2, 2019, asking 13,582 adults in the United States, "When do you think the next decade will begin and end?" Results showed that 64% answered that "the next decade" would begin on January 1, 2020, and end on December 31, 2029 (0-to-9 method); 17% answered that "the next decade" would begin on January 1, 2021, and end on December 31, 2030 (1-to-0 method); 19% replied that they did not know.[10]
Look up decade in Wiktionary, the free dictionary.
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Page 2The 10s decade ran from January 1, AD 10, to December 31, AD 19.
In Europe, the decade saw the end of the Early Imperial campaigns in Germania when Roman forces led by Germanicus defeated Germanic tribes in the Battle of Idistaviso in 16 AD. In the subsequent year, a war broke out between Maroboduus and Arminius. In Africa, Tacfarinas led his own Musulamii tribe and a loose and changing coalition of other Berber tribes in a war against the Romans in North Africa during the rule of the emperor Tiberius (AD 14–37). The Armenian Artaxiad dynasty was overthrown by the Romans. In China, the Red Eyebrows Rebellion erupted against Wang Mang, emperor of the Xin dynasty. In Korea, Daeso, the ruler of the kingdom of Dongbuyeo, led his armies into Goguryeo once again. This time, Muhyul, a prince of Goguryeo, led the armies of Goguryeo in a well-planned ambush and slaughtered all of Daeso's army. Only he and a few of his men escaped home. Literary works from the 10s include works from the ancient Roman poet Ovid, Tristia and Epistulae ex Ponto, while Nicolaus of Damascus wrote a biography of Emperor Augustus (Bios Kaisaros). In the Roman Empire, an edict was issued effecting an empire-wide ban on divinatory practices especially astrology. The edict requires any consultation between a customer and a practitioner to be conducted with at least one third party witness present and bans inquiry into anyone's death. A large earthquake caused the destruction of at least twelve cities in the region of Lydia in the Roman province of Asia in Asia Minor.
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