3rd millennium

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In contemporary history, the third millennium of the anno Domini or Common Era in the Gregorian calendar is the current millennium spanning the years 2001 to 3000 (21st to 30th centuries). [1] It differs from the millennium of the 2000s, which spans the years 2000 to 2999.

Contemporary history, in English-language historiography, is a subset of modern history which describes the historical period from approximately 1945 to the present. The term "contemporary history" has been in use at least since the early 19th century.

<i>Anno Domini</i> Western calendar era

The terms anno Domini (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars. The term anno Domini is Medieval Latin and means "in the year of the Lord", but is often presented using "our Lord" instead of "the Lord", taken from the full original phrase "anno Domini nostri Jesu Christi", which translates to "in the year of our Lord Jesus Christ".

Common Era (CE) is one of the notation systems for the world's most widely used calendar era. BCE is the era before CE. BCE and CE are alternatives to the Dionysian BC and AD system respectively. The Dionysian era distinguishes eras using AD and BC. Since the two notation systems are numerically equivalent, "2019 CE" corresponds to "AD 2019" and "400 BCE" corresponds to "400 BC". Both notations refer to the Gregorian calendar. The year-numbering system used by the Gregorian calendar is used throughout the world today, and is an international standard for civil calendars.

Contents

Events

Predicted events

As this millennium is currently in progress, the first two decades of the 21st century (the past 2000s and the current 2010s), are the subject of historians' attention. The remaining decades of the 21st century (2020s to 2090s) and the remaining centuries (22nd to 30th) are researched in futures studies. Here are some possible events that will happen in those particular years:

The 21st (twenty-first) century is the current century of the Anno Domini era or Common Era, in accordance with the Gregorian calendar. It began on January 1, 2001, and will end on December 31, 2100. It is the first century of the 3rd millennium. It is distinct from the century known as the 2000s which began on January 1, 2000 and will end on December 31, 2099.

2000s (decade) decade in the 21st century

The 2000s was a decade of the Gregorian calendar that began on January 1, 2000, and ended on December 31, 2009.

The 2010s is the current decade in the Gregorian calendar that began on January 1, 2010, and will end on December 31, 2019.

Time capsules

Time capsule cache of goods or data secured for some time to be opened at a date in the future

A time capsule is a historic cache of goods or information, usually intended as a deliberate method of communication with future people, and to help future archaeologists, anthropologists, or historians. The preservation of holy relics dates back for millennia, but the practice of preparing and preserving a collection of everyday artifacts and messages to the future appears to be a more recent practice. Time capsules are sometimes created and buried during celebrations such as a world's fair, a cornerstone laying for a building, or at other ceremonies.

Old Queens Oldest extant building in Rutgers University

Old Queens is the oldest extant building at Rutgers University and is the symbolic heart of the university's campus in New Brunswick in Middlesex County, New Jersey in the United States. Rutgers, the Eighth-oldest college in the United States, was founded in 1766 during the American colonial period as Queen's College a decade before the start of American Revolution. Queen's College was named for Charlotte of Mecklenburg-Strelitz, the daughter of a German duke who became the queen consort of British king George III. Old Queens is located on a six-acre hilltop city block bounded by Somerset Street, Hamilton Street, College Avenue and George Street that was previously an apple orchard. Donated to the college in 1807 by James Parker, Jr., this city block become known the Queen's Campus and is the historic core of the university. Because of this, by metonymy, the name "Old Queens" came to be used as a reference to Rutgers College and is often invoked as an allusive reference to the university or to its administration.

Rutgers University multi-campus American public research university in New Jersey, United States

Rutgers, The State University of New Jersey, commonly referred to as Rutgers University, Rutgers, or RU, is a public research university in New Jersey. It is the largest institution of higher education in New Jersey.

Astronomical events

21st century

  • August 12, 2045 – A total solar eclipse will take place in the United States, producing a path from California to Florida. Some parts of Florida are predicted to experience totality for six minutes, the longest in US history.
  • Mid-2061 – Next appearance of Comet Halley.
  • October 27, 2088 – Mercury occults Jupiter, the first time since 1708, but very close to the Sun and impossible to view with the naked eye.
  • September 23, 2090 – Total solar eclipse in the UK. The next total eclipse visible in the UK follows a track similar to that of August 11, 1999, but shifted slightly further north and occurring very near sunset. Maximum duration in Cornwall will be 2 minutes and 10 seconds. Same day and month as the eclipse of September 23, 1699.
  • April 7, 2094 – Mercury occults Jupiter; it will be very close to the Sun and impossible to view with the naked eye.
California State of the United States of America

California is a state in the Pacific Region of the United States. With 39.6 million residents, California is the most populous U.S. state and the third-largest by area. The state capital is Sacramento. The Greater Los Angeles Area and the San Francisco Bay Area are the nation's second- and fifth-most populous urban regions, with 18.7 million and 9.7 million residents respectively. Los Angeles is California's most populous city, and the country's second-most populous, after New York City. California also has the nation's most populous county, Los Angeles County, and its largest county by area, San Bernardino County. The City and County of San Francisco is both the country's second-most densely populated major city after New York City and the fifth-most densely populated county, behind only four of the five New York City boroughs.

Florida State of the United States of America

Florida is the southernmost contiguous state in the United States. The state is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Atlantic Ocean, and to the south by the Straits of Florida. Florida is the 22nd-most extensive, the 3rd-most populous, and the 8th-most densely populated of the U.S. states. Jacksonville is the most populous municipality in the state and the largest city by area in the contiguous United States. The Miami metropolitan area is Florida's most populous urban area. Tallahassee is the state's capital.

Mercury (planet) Smallest and closest planet to the Sun in the Solar System

Mercury is the smallest and innermost planet in the Solar System. Its orbital period around the Sun of 87.97 days is the shortest of all the planets in the Solar System. It is named after the Roman deity Mercury, the messenger of the gods.

22nd century

Transit of Venus astronomical transit of Venus across the Sun

A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and a superior planet, becoming visible against the solar disk. During a transit, Venus can be seen from Earth as a small black dot moving across the face of the Sun. The duration of such transits is usually several hours. A transit is similar to a solar eclipse by the Moon. While the diameter of Venus is more than three times that of the Moon, Venus appears smaller, and travels more slowly across the face of the Sun, because it is much farther away from Earth.

Universal Time (UT) is a time standard based on Earth's rotation. It is a modern continuation of Greenwich Mean Time (GMT), i.e., the mean solar time on the Prime Meridian at Greenwich, England. In fact, the expression "Universal Time" is ambiguous, as there are several versions of it, the most commonly used being Coordinated Universal Time (UTC) and UT1. All of these versions of UT, except for UTC, are based on Earth's rotation relative to distant celestial objects, but with a scaling factor and other adjustments to make them closer to solar time. UTC is based on International Atomic Time, with leap seconds added to keep it within 0.9 second of UT1.

Venus Second planet from the Sun in the Solar System

Venus is the second planet from the Sun, orbiting it every 224.7 Earth days. It has the longest rotation period of any planet in the Solar System and rotates in the opposite direction to most other planets. It does not have any natural satellites. It is named after the Roman goddess of love and beauty. It is the second-brightest natural object in the night sky after the Moon, reaching an apparent magnitude of −4.6 – bright enough to cast shadows at night and, rarely, visible to the naked eye in broad daylight. Orbiting within Earth's orbit, Venus is an inferior planet and never appears to venture far from the Sun; its maximum angular distance from the Sun (elongation) is 47.8°.

23rd century

  • 2209 and 2284 – perihelion of Comet Halley.
  • May 27, 2221 – near-Earth asteroid (285263) 1998 QE2 will pass Earth at a distance of 0.038  AU (5,700,000  km ; 3,500,000  mi ). [7]
  • 2221 – Triple conjunction of Mars and Saturn.
  • December 2, 2223 – At 12:32 UTC, Mars will occult Jupiter.
  • 2238/39 – Triple conjunction of Jupiter and Saturn (whose last triple conjunction was in 1981).
  • August 12, 2243 – At 04:52 UTC, Venus will occult Saturn.
  • June 11, 2247 – Transit of Venus.
  • March 4, 2251 – At 10:52 UTC, Venus will occult Uranus.
  • In 2252, the planetoid Orcus will have completed one orbit of the Sun since its discovery in 2004, based upon current orbital measurements which give it a period of 248 Earth years.
  • August 1, 2253 – Mercury occults Regulus (last occultation of Regulus by Mercury was on August 13, 364 BC).
  • June 9, 2255 – Transit of Venus.
  • 2256 to 2258 – Eris will reach perihelion for the first time since discovery.
  • October 6, 2271 – Close conjunction between Venus and Regulus, perhaps occultation of Regulus by Venus.
  • 2279 – Triple conjunction of Jupiter and Saturn.
  • 2281/82 – Grand Trine of Uranus, Neptune, and Pluto. This last occurred in 1769 and 1770.
  • Sunday, August 28, 2287 – Closest approach between Mars and Earth since Wednesday, August 27, 2003.
  • In 2288, the planetoid Quaoar will have completed one orbit of the Sun since its discovery in 2002, which, based upon current orbital measurements, gives it a period of 286 Earth years.
<span class="nowrap">(285263) 1998 QE<sub>2</sub></span> Near-Earth asteroid

(285263) 1998 QE2, provisional designation 1998 QE2, is a dark asteroid and synchronous binary system, classified as near-Earth object and potentially hazardous asteroid of the Amor group, approximately 3 kilometers in diameter. It was discovered on 19 August 1998, by astronomers of the LINEAR program at Lincoln Laboratory's Experimental Test Site near Socorro, New Mexico, in the United States. Its sub-kilometer minor-planet moon was discovered by radar on 30 May 2013.

Astronomical unit Mean distance between Earth and the Sun, common length reference in astronomy

The astronomical unit is a unit of length, roughly the distance from Earth to the Sun. However, that distance varies as Earth orbits the Sun, from a maximum (aphelion) to a minimum (perihelion) and back again once a year. Originally conceived as the average of Earth's aphelion and perihelion, since 2012 it has been defined as exactly 149597870700 metres, or about 150 million kilometres. The astronomical unit is used primarily for measuring distances within the Solar System or around other stars. It is also a fundamental component in the definition of another unit of astronomical length, the parsec.

The kilometre, or kilometer is a unit of length in the metric system, equal to one thousand metres. It is now the measurement unit used officially for expressing distances between geographical places on land in most of the world; notable exceptions are the United States and the road network of the United Kingdom where the statute mile is the official unit used.

24th century

  • September 11, 2307 – At 22:50 UTC, Venus will occult Uranus.
  • 2313 – Triple conjunction MarsJupiter.
  • 2319 – Triple conjunction Mars-Saturn.
  • June 4, 2327 – At 00:54 UTC, Venus will occult Mars.
  • October 8, 2335 – At 14:51 UTC, Venus will occult Jupiter.
  • April 7, 2351 – At 17:22 UTC, Mercury will occult Uranus.
  • December 13, 2360 – Transit of Venus.
  • 2365 – Perihelion of Comet Halley.
  • December 10, 2368 – Transit of Venus.
  • 2388 – Triple conjunction Mars-Saturn.
  • May 11, 2391 – Partial transit of Mercury.
  • November 17, 2400 – Venus will occult Antares (last occultation of Antares by Venus was on September 17, 525 BC).

25th century

26th century

27th century

  • December 16, 2603 – Transit of Venus.
  • May 13, 2608 – Grazing Transit of Mercury.
  • December 13, 2611 – Partial transit of Venus.
  • 2626/27 – Triple conjunction MarsSaturn.
  • 2629 – Triple conjunction Mars-Saturn.
  • February 16, 2649 – At 11:17 UTC, Venus will occult Neptune.
  • September 3, 2650 – The distance between Mars and the Earth will arrive at a new remarkable minimum, at 55,651,582.118 km.
    It will be the closer encounter of perihelitic opposition slightly shorter (by 37,000 km) than the previous one of the August 28, 2287. [12]
    The following closer encounter will be on September 8, 2729.
  • 2655/56 – Triple conjunction Jupiter-Saturn.
  • 2663 – Triple conjunction Mars-Saturn.
  • 2699/2700 – Triple conjunctions between Mars-Jupiter, Mars-Neptune and Jupiter-Neptune.

28th century

  • October 24, 2714 – Transit of Jupiter from Uranus. First one since May 3, 1914.
  • September 8, 2729 – The distance between Mars and the Earth will arrive at a new remarkable minimum, at 55,651,033.122 km.
    It will be the closer encounter of perihelitic opposition slightly shorter (just 549 km) than the previous one of the September 3, 2650. [13]
  • June 15, 2733 – Transit of Venus.
  • June 13, 2741 – Transit of Venus.
  • 2742 – Triple conjunction MarsJupiter.
  • 2744 – Triple conjunction Mars–Jupiter.
  • 2761 – Triple conjunction Mars–Saturn.
  • December 3, 2781 – At 06:45 UTC, Venus will occult Neptune.
  • 2791 – Triple conjunction Mars–Jupiter.
  • 2794/95 – Triple conjunction Jupiter–Saturn.

29th century

  • The remnants of Comet Ikeya-Seki are expected to return to the inner solar system.
    It was last seen from Earth in 1965–1966, and broke into three pieces as it approached the Sun.
  • March 25, 2816 – At 15:47 UTC, Mercury will occult Jupiter.
  • March 6, 2817 – At 9:36 UTC, Venus will occult Saturn.
  • April 11, 2818 – At 20:41 UTC, Mercury will occult Mars.
  • February 6, 2825 – At 10:50 UTC, Mars will occult Uranus.
  • 2829/30 – Triple conjunction Mars-Saturn.
  • December 15, 2830 – At 09:40 UTC, Venus will occult Mars.
  • 2842/43 – Triple conjunction Mars-Jupiter.
  • December 16, 2846 – Transit of Venus.
  • December 14, 2854 – Partial transit of Venus.
  • July 20, 2855 – At 05:15 UTC, Mercury will occult Jupiter.
  • 2866 – Triple conjunction Mars-Saturn.

Biological events

Calendric predictions

Technological predictions

Social predictions

Centuries and decades

21st century 2000s [lower-alpha 1] [lower-alpha 2] 2010s 2020s 2030s 2040s 2050s 2060s 2070s 2080s 2090s
22nd century 2100s2110s2120s2130s2140s2150s2160s2170s2180s2190s
23rd century 2200s2210s2220s2230s2240s2250s2260s2270s2280s2290s
24th century 2300s2310s2320s2330s2340s2350s2360s2370s2380s2390s
25th century 2400s2410s2420s2430s2440s2450s2460s2470s2480s2490s
26th century 2500s2510s2520s2530s2540s2550s2560s2570s2580s2590s
27th century 2600s2610s2620s2630s2640s2650s2660s2670s2680s2690s
28th century 2700s2710s2720s2730s2740s2750s2760s2770s2780s2790s
29th century 2800s2810s2820s2830s2840s2850s2860s2870s2880s2890s
30th century 2900s2910s2920s2930s2940s2950s2960s2970s2980s2990s

Notes

  1. Strictly speaking, 2000 was the last year of the 2nd millennium. However, the year 2000 is generally considered the first year of the 3rd millennium.
  2. 9 of the 10 years of the decade are in this millennium.

Related Research Articles

Eclipse Astronomical event where one body is hidden by another

An eclipse is an astronomical event that occurs when an astronomical object is temporarily obscured, either by passing into the shadow of another body or by having another body pass between it and the viewer. This alignment of three celestial objects is known as a syzygy. Apart from syzygy, the term eclipse is also used when a spacecraft reaches a position where it can observe two celestial bodies so aligned. An eclipse is the result of either an occultation or a transit.

The 22nd (twenty-second) century is the next century in the Anno Domini or Common Era in accordance with the Gregorian calendar. It will begin on January 1, 2101 and end on December 31, 2200.

Conjunction (astronomy) when two astronomical objects or spacecraft have either the same right ascension or the same ecliptic longitude (close apparent approach)

In astronomy, a conjunction occurs when two astronomical objects or spacecraft have either the same right ascension or the same ecliptic longitude, usually as observed from Earth. The astronomical symbol for conjunction is ☌ and handwritten . The conjunction symbol is not used in modern astronomy. It continues to be used in astrology.

Timeline of Solar System astronomy timeline

Timeline of Solar System astronomy

The 23rd century of the anno Domini or Common Era in the Gregorian calendar will begin on January 1, 2201 and end on December 31, 2300.

The 26th century in the anno Domini or Common Era of the Gregorian calendar will begin on January 1, 2501 and end on December 31, 2600.

The 24th century in the Anno domini or Common Era of the Gregorian calendar will begin on January 1, 2301 and end on December 31, 2400. Unlike most century years, the year 2400 will be a leap year, and the next century leap year in the Gregorian calendar after 2000.

The 27th century in the anno Domini Common Era) of the Gregorian calendar will begin on January 1, 2601 and end on December 31, 2700.

The 28th century in the anno Domini Common Era of the Gregorian calendar will begin on January 1, 2701 and end on December 31, 2800. Unlike most century years, the year 2800 will be a leap year, and the next century leap year after 2400.

The 29th century in the anno Domini or Common Era of the Gregorian calendar will begin on January 1, 2801 and end on December 31, 2900.

Extraterrestrial skies

In astronomy, an extraterrestrial sky is a view of outer space from the surface of an astronomical body other than Earth.

The eighth millennium in the anno Domini or Common Era of the Gregorian calendar will begin on January 1, 7001, and end on December 31, 8000.

The ninth millennium in the anno Domini or Common Era of the Gregorian calendar will begin on January 1, 8001, and end on December 31, 9000.

The tenth millennium in the anno Domini or Common Era of the Gregorian calendar will begin on January 1, 9001, and end on December 31, 10,000.

A triple conjunction is an astronomical event, where two planets or a planet and a star meet each other three times in a short period either in opposition or at the time of inferior conjunction, if an inferior planet is involved. The visible movement of the planet or the planets in the sky is therefore normally prograde at the first conjunction, retrograde at the second conjunction and again prograde at the third conjunction.

Solar eclipses on Jupiter

Solar eclipses on Jupiter occur when any of the natural satellites of Jupiter pass in front of the Sun as seen from the planet Jupiter.

This is a timeline of the near future, covering predicted or calculated events from the present until the end of the 23rd century.

The following outline is provided as an overview of and topical guide to the Solar System:

The word "transit" refers to cases where the nearer object appears smaller than the more distant object. Cases where the nearer object appears larger and completely hides the more distant object are known as occultations.

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