Category:1st century
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The AD/BC notation does not use a year zero; however, astronomical year numbering does use a minus sign, so '2 BC' is equal to 'year -1', '1 BC' is equal to astronomical 'year 0', and so forth. In the Gregorian system, the NNth century AD starts in the base year 'NN-100+1' and ends in the 'NN'th year, so for example, the 16th century begins on January 1st, 1501 and ends December 31st, 1600.
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The 1st century AD started on January 1, 1 AD and ended on December 31, 100 AD. Note that there was no year 0; the year 1 BC is immediately followed by 1 AD.
| << - Years in the 1st century - >> |
| 1- 2- 3- 4- 5- 6- 7- 8- 9- 10 |
| 11-12-13-14-15-16-17-18-19-20 |
| 21-22-23-24-25-26-27-28-29-30 |
| 31-32-33-34-35-36-37-38-39-40 |
| 41-42-43-44-45-46-47-48-49-50 |
| 51-52-53-54-55-56-57-58-59-60 |
| 61-62-63-64-65-66-67-68-69-70 |
| 71-72-73-74-75-76-77-78-79-80 |
| 81-82-83-84-85-86-87-88-89-90 |
| 91-92-93-94-95-96-97-98-99-100 |
Subcategories
There are 20 subcategories to this category shown below (more may be shown on subsequent pages).
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