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List of years; Timelines of world history; List of timelines; Chronology; See calendar and list of calendars for other groupings of years.; See history, history by period, and periodization for different organizations of historical events.
Modern history – After the post-classical era Early modern period – The chronological limits of this period are open to debate. It emerges from the Late Middle Ages (c. 1500), demarcated by historians as beginning with the fall of Constantinople in 1453, in forms such as the Italian Renaissance in the West, the Ming dynasty in the East, and ...
List of decades, centuries, and millennia; Lists of years by topic; Timeline of the far future; Year zero This page was last edited on 24 February 2025, at 18:55 ...
140 fs: The time needed for electrons to have localized onto individual bromine atoms 6 Ångstrom apart after laser dissociation of Br 2. [11] 290 fs: The lifetime of a tauon: 10 −12: picosecond: ps One trillionth of one second 1 ps: The mean lifetime of a bottom quark; the time needed for light to travel 0.3 millimetres (mm)
Shortly after the appearance of the first amniotes, two branches split off. One branch is the Sauropsida, from which come the reptiles, including birds. The other branch is Synapsida, from which come modern mammals.
The Antarctic treaty is scheduled to come under review. [4] [5] 2042: 17 September: a common computing representation of date and time on IBM mainframe systems will overflow with potential results similar to the year 2000 problem. 2045: Date of the technological singularity predicted by Ray Kurzweil in his 2005 book The Singularity Is Near. [6]
In 2020, millennials surpassed boomers as the largest generation n the U.S. Born between 1981 and 1996, millennials are generally known to be tech-savvy (or at least tech-curious), very into ...
The issue arises from the difference between the convention of using ordinal numbers to count years and millennia, as in "the third millennium", or using a vernacular description, as in "the two thousands". The difference of opinion comes down to whether to celebrate, respectively, the end or the beginning of the "-000" year.