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  2. Pewter - Wikipedia

    en.wikipedia.org/wiki/Pewter

    The earliest known piece of pewter was found in an Egyptian tomb, c. 1450 BC, [5] but it is unlikely that this was the first use of the material. Pewter was used for decorative metal items and tableware in ancient times by the Egyptians and later the Romans, and came into extensive use in Europe from the Middle Ages [ 6 ] until the various ...

  3. Timeline of materials technology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_materials...

    28,000 BC – People wear beads, bracelets, and pendants [1] 14,500 BC – First pottery, made by the Jōmon people of Japan. 6th millennium BC – Copper metallurgy is invented and copper is used for ornamentation (see Pločnik article) 2nd millennium BC – Bronze is used for weapons and armor; 16th century BC – The Hittites develop crude ...

  4. Timeline of scientific discoveries - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_scientific...

    2001: The first draft of the Human Genome Project is published. [131] 2003: Grigori Perelman presents proof of the Poincaré Conjecture. 2003: The Human Genome Project sequences the human genome with a 92% accuracy. [132] 2004: Ben Green and Terence Tao announce their proof on arithmetic progressions in prime numbers known as the Green–Tao ...

  5. Timeline of human evolution - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_human_evolution

    The last common ancestor between humans and other apes possibly had a similar method of locomotion. 12-8 Ma The clade currently represented by humans and the genus Pan (chimpanzees and bonobos) splits from the ancestors of the gorillas between c. 12 to 8 Ma. [31] 8-6 Ma Sahelanthropus tchadensis

  6. Before Present - Wikipedia

    en.wikipedia.org/wiki/Before_Present

    Conversion from Gregorian calendar years to Before Present years is by starting with the 1950-01-01 epoch of the Gregorian calendar and increasing the BP year count with each year into the past from that Gregorian date. For example, 1000 BP corresponds to 950 AD, 1949 BP corresponds to 1 AD, 1950 BP corresponds to 1 BC, 2000 BP corresponds to ...

  7. Timeline of the evolutionary history of life - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the...

    Anatomically modern humans appear in Africa. [103] [104] [105] Around 50 ka they start colonising the other continents, replacing Neanderthals in Europe and other hominins in Asia. 70 ka Genetic bottleneck in humans (Toba catastrophe theory). 40 ka Last giant monitor lizards (Varanus priscus) die out. 35-25 ka Extinction of Neanderthals.

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  9. Holocene calendar - Wikipedia

    en.wikipedia.org/wiki/Holocene_calendar

    The Holocene calendar, also known as the Holocene Era or Human Era (HE), is a year numbering system that adds exactly 10,000 years to the currently dominant (AD/BC or CE/BCE) numbering scheme, placing its first year near the beginning of the Holocene geological epoch and the Neolithic Revolution, when humans shifted from a hunter-gatherer lifestyle to agriculture and fixed settlements.