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The July Days (Russian: Июльские дни) were a period of unrest in Petrograd, Russia, between 16–20 July [O.S. 3–7 July] 1917. It was characterised by spontaneous armed demonstrations by soldiers, sailors, and industrial workers engaged against the Russian Provisional Government . [ 2 ]
According to a 2012 analysis by Berkeley Earth, the 1815 Tambora eruption caused a temporary drop in the Earth's average land temperature of about one degree Celsius; smaller temperature drops were recorded from the 1812–1814 eruptions. [13] The Earth had already been in a centuries-long period of cooling that began in the 14th century.
The Clock was moved to 150 seconds (2 minutes, 30 seconds) in 2017, then forward to 2 minutes to midnight in 2018, and left unchanged in 2019. [6] It was moved forward to 100 seconds (1 minute, 40 seconds) in 2020, [ 7 ] 90 seconds (1 minute, 30 seconds) in 2023, [ 8 ] and 89 seconds (1 minute, 29 seconds) in 2025.
February 8: A Day for Scientific Breakthroughs. On February 8, nearly 200 years apart, two groundbreaking scientific papers were unveiled that dramatically reshaped our comprehension of the world.
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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
The planet had its warmest July on record “by a long shot” — and very likely also had its warmest-ever month in 174 years of record-keeping — according to NASA and the National Oceanic and ...
The first eon in Earth's history, the Hadean, begins with Earth's formation and is followed by the Archean eon at 3.8 Ga. [2]: 145 The oldest rocks found on Earth date to about 4.0 Ga, and the oldest detrital zircon crystals in rocks to about 4.4 Ga, [34] [35] [36] soon after the formation of Earth's crust and Earth itself.