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These timelines of world history detail recorded events since the creation of writing roughly 5000 years ago to the present day. For events from c. 3200 BC – c. 500 see: Timeline of ancient history; For events from c. 500 – c. 1499, see: Timeline of post-classical history; For events from c. 1500, see: Timelines of modern history
For a timeline of events prior to 1501, see 15th century § Events; For a timeline of events from 1501 to 1600, see 16th century § Significant events; For a timeline of events from 1601 to 1700, see Timeline of the 17th century; For a timeline of events from 1701 to 1800, see Timeline of the 18th century
In this figure, the globally averaged warming corresponds to 3.0 °C (5.4 °F). The world was undergoing its second major period of globalization; the first, which started in the 19th century, having been terminated by World War I. [257] Since the US was in a position of almost unchallenged domination, a major part of the process was ...
In November 2022, Quizlet announced a new CEO, Lex Bayer, the former CEO of Starship Technologies. [23] In March 2023, Quizlet started to incorporate AI features with the release "Q-Chat", a virtual AI tutor powered by OpenAI's ChatGPT API. [24] [25] [26] Quizlet launched four additional AI powered features in August 2023 to assist with student ...
April 20: SpaceX conducts the first full stack test launch of the world's most powerful rocket, Starship. May 5: World Health Organization ends the designation of COVID-19 as a public health emergency of international concern. May 6: Charles III is crowned king of the United Kingdom and Commonwealth realms. May 17: 2023 Ecuadorian political crisis.
History, by period (See also Timeline of world history) Prehistory – events occurring before recorded history (that is, before written records). Colorado prehistory – Prehistoric technology – technologies that emerged before recorded history (i.e., before the development of writing).
c. 5.96–5.33 Ma – Messinian Salinity Crisis: the precursor of the current Strait of Gibraltar closes repeatedly, leading to a partial desiccation and strong increase in salinity of the Mediterranean Sea. c. 5.4–6.3 Ma – Estimated age of the Homo/Pan (human vs. chimpanzee) split. c. 5.5 Ma – Appearance of the genus Ardipithecus
The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...