35th century BC
| Millennia | 
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| 4th millennium BC | 
| Centuries | 
| Timelines | 
| State leaders | 
 
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| Decades | 
 
 
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|  Births – Deaths  Establishments – Disestablishments  |  
The 35th century BC in the Near East sees the gradual transition from the Chalcolithic to the Early Bronze Age. Proto-writing enters transitional stage, developing towards writing proper. Wheeled vehicles are now known beyond Mesopotamia, having spread north of the Caucasus and to Europe.
Cultures

- Susa (Iran since 7000 BC)
 - Uruk period (Sumer)
 - Naqada IIb (Ancient Egypt)
 - Early Minoan I
 - Sredny Stog culture (final phase)
 - Yamna culture (early phase)
 - Cucuteni culture
 - Vinča culture
 - Megalithic Europe (Atlantic fringe)
 - Nuragic civilization (Sardinia)
 - Comb Ceramic culture
 - Funnelbeaker culture
 - Yangshao culture
 
Artifacts
Only approximate dating is usually possible for mid-4th millennium artifacts.
Events
- The Sahara desert starts to form from semi-arid savannah, through desertification.
 - c. 3500 BC: First known zoo at Hierakonpolis.[1]
 - c. 3400 BC: Sumerian temple record keepers redesign the stamp seal in the form of a cylinder.
 - c. 3500 BC: Pictographic proto-writing starts developing towards writing proper in Sumer, thus starting what is technically considered history.
 - c. 3500 BC: The first monument of which there is still a trace (Duma na nGiall) is built on the Hill of Tara, the ancient seat of the High King of Ireland.[2]
 - c. 3500 BC: Tin is discovered.
 - c. 3500 BC: The Eruption of Mount Isarog in the Philippines.[3]
 - c. 3500 BC: The Sumerians develop a logographic script, cuneiform
 - c. 3484 BC: The oldest estimated germination of Alerce Milenario with more conservative dates of only ‘c.1653 BC’.[4]
 
Sovereign states
References
- ^ World's First Zoo - Hierakonpolis, Egypt, Archaeology Magazine, http://www.archaeology.org/1001/topten/egypt.html Archived 2010-07-12 at the Wayback Machine
 - ^ Memory and Monuments at the Hill of Tara by Erin McDonald, Chronika Journal
 - ^ "Global Volcanism Program | Isarog". Smithsonian Institution | Global Volcanism Program. Retrieved 2021-01-22.
 - ^ POPKIN, GABRIEL (2022-05-20). "Is the world's oldest tree growing in a ravine in Chile?". www.science.org.