NASA
From Smoke Signals to Cell Phones: Tracing How Technologies Evolve
Explore the science of space exploration. Pupils consider technological advances in propulsion, communication, power, navigation, and imaging. They select one of these areas and create a timeline of historical progress that contributed...
Khan Academy
Khan Academy: Common Questions About Dates
Our calendar is called the Gregorian calendar and was instituted by Pope Gregory XIII in 1582. There are many other calendars. Learn about these calendars and the meanings of B.C.E and C.E.
Khan Academy
Khan Academy: Timekeeping
Why do we need calendars and clocks? To survive in this complex society, you need to track what others are doing and when they're doing it. You also need to know what's happening in the natural world. This article discusses how/why...
Youngzine
Youngzine: Asia to Welcome Year of the Rooster
Find out about the Chinese calendar, or the Lunar Calendar, and the celebrations that accompany this tradition.
Authors Calendar
Author's Calendar: Angela (Olive) Carter
Information about the life, theory, and works of author Angela Carter, especially her use of "magic realism" in her writing.
Buddha Dharma Education Association
Buddha Net: Buddhist Festivals and Special Days
Article outlines the holy places, holidays, and ritual practices of the Buddhist faith. Includes links to more extensive information about selected holidays.
Other
Utah Geological Survey: How Do Geologists Know How Old a Rock Is?
Geologists generally know the age of a rock by determining the age of the group of rocks, or formation, that it is found in. The age of formations is marked on a geologic calendar known as the geologic time scale. Development of the...
Khan Academy
Khan Academy: The Rituals of the Hajj
There are two pilgrimages to Mecca. Hajj--known as the Greater Pilgrimage and 'Umra-the lesser pilgrimage. Hajj can only be undertaken between the 8th and the 13th of Dhu al-Hijja - the twelfth month of the Muslim calendar. At all other...
University of Missouri
Famous Trials: Trials of Giordano Bruno (1592 1600)
In the early morning light of Ash Wednesday, the primary day in the Church calendar for Christian penance, Giordano Bruno, one of the most original minds of the sixteenth century, rode into Rome's Campo de' Fiori on a mule. Stripped...
Other
Common Year Round Education Questions
Is year round education a good idea? What benefits will it bring? Are there any downsides? This Q&A by Dr. Charles Ballinger answers these questions and more. This article is distributed by the Year Round Education Association.
University of St. Andrews (UK)
University of St. Andrews: Mayan Mathematics
After a historical introduction, this site from the University of St. Andrews provides information about the mathematics of the Maya Civilization and shows just how advanced they were.
Read Works
Read Works: Article a Day Set: Time
[Free Registration/Login Required] This Article-A-Day-Set provides six articles related to "time." Students will learn about the days of the week and months of the year.
Khan Academy
Khan Academy: Ancient Egypt, an Introduction
Egyptian imagery, concepts, and perspectives are found everywhere; you will find them in architectural forms, on money, and in our day to day lives. This introduction will provide you with the primary filters to view and understand...
Khan Academy
Khan Academy: Frontispiece of the Codex Mendoza
The Codex Mendoza, commissioned by Viceroy Mendoza, contained information about the lords of Tenochtitlan, the tribute paid to the Aztecs, and an account of life "from year to year." Read descriptions and view pictures of the codex in...
Khan Academy
Khan Academy: Inka Stone Vessels
From their capital, Cuzco, in the central Peruvian Andes, the Inca created a huge empire reaching over 2,400 miles along the length of the Andes. View pictures and descriptions of Incan ritual vessels in this essay.
Khan Academy
Khan Academy: Maya, an Introduction
The Maya civilization (300-900 C.E.) was one of the most sophisticated in the pre-Columbian Americas. It extended from southeastern Mexico across modern-day Guatemala, Belize and the western parts of Honduras and El Salvador. The Maya...
A&E Television
History.com: How 25 Christmas Traditions Got Their Start
Christmas in America has been filled with traditions, old and new. Some date back to 16th-century Germany or even ancient Greek times, while others have caught on in modern times. Here's a look at 25 ways Americans have celebrated the...
Other
Torah.org: Seven Questions About Rosh Hashanah
A question-and-answer fact sheet about Rosh Hashanah that addresses when, why, and how the festival is observed. Tells why the shofar is sounded on this day and why apples dipped in honey are eaten. Also explains the differences between...
The History Place
The History Place: The Four Chaplains
The story of four heroes in World War II aboard the USAT Dorchester who made the ultimate sacrifice to save others.
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