Welcome to Quatr.us Study Guides!

Welcome to Quatr.us Study Guides! 2018-03-11T22:45:38+00:00

Quatr.us Study Guides has more than 2500 original articles on everything from Aachen to zygotes. What would you like to learn today?

Where things are?

Africa (with Ancient Egypt)
Europe (with Ancient Greece and Ancient Rome)
West Asia (Mesopotamia, the Persian Empire, and the Islamic Empire)
Central Asia
Southeast Asia
Americas (South America, Native Americans, American history)

When things happened?

Bronze Age
Iron Age
Renaissance and Modern

How things work?

Biology (with the parts of a cell)
Chemistry (including atoms, the elements and reactions)
Geology (with the geological eras, plate tectonics and types of rocks)
Math (numbers, geometry, and proofs)
Physics (with space, weathersimple machines, and the laws of motion)

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Quatr.us Study Guides Projects and Articles for mid March:

coin of Cleopatra

Coin of the Egyptian pharaoh Cleopatra

WOMEN’S HISTORY MONTH: The rise of empires, republics, and democracies in the Iron Age made it harder for women to get power, because generally only fighting soldiers could vote. Women had little power in Iran or India. Athens and the Roman Republic gave women almost no rights or freedom. In Sparta and among the Etruscans, citizen women did have some rights.

Queen Shanakdakhete of Meroe, in Sudan (about 150 BC)

Queen Shanakdakhete of Meroe, in Sudan (about 150 BC)

And the rise of the emperors in Rome allowed Cleopatra, Messalina, and Agrippina to seize power. Queens ruled Sudan for several generations. In Han Dynasty China, the Empress Lu also succeeded in getting power for herself. But many women all across Asia and Africa still spent their days working wool, silk, cotton and linen to make cloth for men to sell.

But some women also managed to get power for themselves: Assyrian women owned cloth businesses. Women of color did even better: Merneith may have been the first woman to be Pharaoh. Nebet served as vizier to the Pharaoh, and Nebet’s daughter Ankhesenpepi II ruled Egypt.

a white woman wearing very fancy dress and sitting up very straight

Catherine the Great

RUSSIA: Russia has been in the news a lot recently – brush up on Russian history here, from Yamnaya and Scythians to the first interactions of Vikings and Slavs, to medieval Russia, Ivan the Terrible, Peter the Great and Catherine the Great, the Crimean War, the Russian Revolution, and modern Russia.

THE LATE REPUBLIC: Donald Trump’s demagoguery can hardly fail to remind any historian of the later Roman Republic, beginning with Scipio‘s domination of the government in the Second Punic War, and quickly moving to the reform attempts – and assassinations – of Tiberius and Gaius Gracchus. Those were followed by civil wars between the armies of Marius and Sulla, and then by more civil wars among Julius Caesar (who was killed on March 15, the Ides of March), Pompey, Mark Antony, Cleopatra, and Augustus. The United States army has been resolute so far in not taking sides – for which we should all be grateful.

PI DAY: March 14th is Pi Day, so here’s Quatr.us’ page about what pi is. Find out more about circles, the circumference of a circle, the area of a circle, and the volume of a sphere. Also, simple and fascinating proofs for the circumference and area of circles!

This week in history:

BATTLE OF BADR – On March 13, 624 AD, the Prophet Mohammed‘s Islamic army defeated the Meccans, despite being badly outnumbered, and established their new religion as a powerful force in the Arabian peninsula.

WHAT TO DO THIS WEEK: Plant a seed to grow and see how plants develop. Or, measure the diameter and circumference of anything circular and see how close you can get to the true value of pi.

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History Gifts  – what to get with your Amazon gift card!


For Women’s History Month, check out Angela Davis’ Freedom is a Constant Struggle. Or read our favorite: how Rosa Parks and Jo Ann Robinson started the Montgomery Bus Boycott in At the Dark End of the Street: Black Women, Rape, and Resistance–A New History of the Civil Rights Movement from Rosa Parks to the Rise of Black Power (2011). Also check out this biography of Sojourner Truth for only $14.50, or better yet, read the book she wrote herself for $10.30. Or this biography of Ida B. Wells, a black woman who worked on the same issues in the next generation. For a look into the future, try Margaret Atwood’s The Handmaid’s Tale.

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New discoveries this week:

SUDANESE WRITING: Archaeologists working in Sudan have just uncovered a huge new collection of gravestones written in the African language of Meroe. They date to about 500 BC-500 AD, and they include the first evidence that the Egyptian goddess Ma’at was also worshipped in Sudan with African features.

leather knuckle covers like brass knuckles: Roman games

Roman boxing gloves from Vindolanda in northern England.

ROMAN MIRRORS: They’ve also found a bunch of Roman glass mirrors at a Roman villa in Bulgaria. The article goes on about how the place might have been a temple, but the identical lead and glass mirrors suggest to me that they’re making the mirrors there, or maybe storing the mirrors there to sell.

DNA OF EUROPEANS: Analysis of genetic data shows that there were a whole lot of early farmers who moved from West Asia to Europe and brought their knowledge of farming with them about 6000 BC, and another wave about 3000 BC – the Yamnaya or Indo-Europeans – who brought horses and largely replaced the older population of Europe.

Seasonal food of the week:

PARSLEY: Here in the Pacific Northwest, we’re finally beginning to have some fresh food again, even if it’s only parsley! So what can you do with parsley? There’s a delicious cracker dip made with parsley and anchovies, super healthy. Or make parsley pesto as a sauce for noodles or new potatoes, or just sprinkle chopped parsley right on the potatoes. For more of a complete meal, use handfuls of parsley in your moussaka.

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