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List of decades, centuries, and millennia. The list below includes links to articles with further details for each decade, century, and millennium from 15,000 BC to AD 3000. Century. Decades. 15th millennium BC · 15,000–14,001 BC. 14th millennium BC · 14,000–13,001 BC. 13th millennium BC · 13,000–12,001 BC. 12th millennium BC · 12,000 ...
Millennium, a period of 1,000 years. The Gregorian calendar, put forth in 1582 and subsequently adopted by most countries, did not include a year 0 in the transition from bc (years before Christ) to ad (those since his birth). Thus, the 1st millennium is defined as spanning years 1–1000 and the 2nd.
- The Editors of Encyclopaedia Britannica
A millennium (pl. millennia or millenniums) is a period of one thousand years, sometimes called a kiloannum (ka), or kiloyear (ky). Normally, the word is used specifically for periods of a thousand years that begin at the starting point (initial reference point) of the calendar in consideration and at later years that are whole number multiples ...
- The 21st Century Started in 2001
- Year Zero
- Anno Domini
- Year 1 BCE Was Followed by Year CE 1
- Round Number Bias
- What Did We Even Celebrate?
- Only in Gregorian and Julian Calendars
In 1999, the world was preparing for the New Year's party of a lifetime. The year number in the Gregorian calendar was about to tick over to 2000, supposedly ushering in not only the 21st century but also the 3rd millennium CE. However, the party was held one year too early—it should have been on January 1, 2001. CE, BCE, AD, BC: What's the differe...
It all boils down to the question: was there a year 0? Let's first assume that year BCE 0 existed. This would mean that: 1. 1 full year would have passed at the end of year 0 since the beginning of the year count; 2. 2 years would have passed at the end of year 1; 3. and so on... This means that 2000 years, two full millennia, would have passed at ...
Anno domini, the year numbering system (calendar era) we use today, was devised by a 6th-century monk named Dionysius Exiguus, who lived in an area now part of Romania and Bulgaria. Dionysius used Roman numerals to number the years “since the incarnation of our Lord Jesus Christ”, as he put it in his writings—and there is no Roman numeral for the n...
This means that year AD 1 directly followed year 1 BC, without the year count ever reaching zero. In other words, the first year of the anno dominiera was year 1, not year 0. As a consequence, 1. 1 full year had passed at the end of year 1; 2. 2 years had passed at the end of year 2; 3. and so on... So, at the end of year 1999, as people were celeb...
Of course, the big fuss over the year 2000, or Y2K, was understandable from a psychological point of view. The human brain is predisposed to highlight “big numbers”—a tendency psychologists call the round number bias. It causes us to throw extra-glamorous parties on our 20th, 30th, or 40th birthdays and to celebrate milestones like the 1000th like ...
Even people celebrating the beginning of the new millennium on the correct date must contend with the fact that, in astronomical terms, there was nothing special about this particular event. A year on Earth is defined as the time it takes Earth to complete an orbit around the Sun. This is called a solar or tropical year. Solar calendar systems, suc...
In fact, looking at other calendar systems, it becomes clear how ambiguous year numbers are. For example, year 2001 marked the beginning of the 3rd millennium in the Gregorian calendar only. Other calendars, such as the Jewish calendar, the Islamic calendar, and the Hindu calendar, use completely different year numbers. So, while the Gregorian cale...
Millennium (8,760,000h) A millennium (plural millennia or, rarely, millenniums) is a period equal to 1000 years, also called kiloyears. It derives from the Latin mille, thousand, and annus, year.
Below you can generate and download as CSV, Excel, PDF or print the Millenniums to Years conversion table based on your needs. Selected rounding: none (You can change it above in the dropdown) A millennium (plural millennia or, rarely, millenniums) is a period equal to 1000 years, also called kiloyears.
A millennium can refer to any period of 1000 years. In the Gregorian calendar, the most widely used calendar in the world, the first millennium started in the year 1 and ended in the year 1000. The second millennium started in the year 1001 and ended in the year 2000.
