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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 dates of the solstice varies each year and may occur a day earlier or later depending on the time zone. Because the earth's orbit takes slightly longer than a calendar year of 365 days, the solstices occur slightly later each calendar year, until a leap day re-aligns the calendar with the orbit.
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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The three hottest days ever recorded on Earth happened in July. Boise also had extreme July heat, hitting the 100-degree mark several times.
The first eon in Earth's history, the Hadean, begins with the 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 the Earth's crust and the Earth
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