Europe

Homer’s The Iliad
Homer's The Iliad is an ancient greek poem written around the eighth century. The poem is set during the Trojan war and highlights the conflict between King Agamemnon and the warrior Achilles. The text provided is an excerpt from book three.

Source Collection: Diversity and Change in Greco-Roman Religious Beliefs
This module will examine four different indigenous theologies within the Greco-Roman world to understand the diversity and change that occurred within Greco-Roman religion over the centuries.

World History Encyclopedia
Overall this site is a fantastic resource in terms of the vast amounts of material collected for use. The site is primarily user-generated, with a system to ensure the entries uphold the website's management team's standards.
Livingstone Online
While the site is primarily dedicated to digitising the famed British explorer’s works, Livingstone Online is far more than a mere repository of primary sources.
A History of the World in 100 Objects
Overall A History of the World in 100 Objects is a great resource to teach world history through visual culture in an accessible and succinct format for both school and college-level classes.
The Turin Beatus Map of the World
Before the modern age, maps offered more than just an objective, geographical survey. Often, as is the case with this world map from the 12th century, they also conveyed a set of stories that shaped the worldview of its viewers.

Digital Archive: International History Declassified
An extensive repository that collects declassified archival records from all over the world, the Wilson Center's Digital Archive: International History Declassified is an essential resource for scholars, educators, and students interested in international history.
Iceland Saga Map
Ultimately, the purpose of this map is to encourage and aid new readings of the sagas.
Short Teaching Module: Christianity and Slavery in the Kingdom of Kongo, 1480s-1520s
Portuguese missionaries brought Christianity to West Africa in the late fifteenth century. They had their greatest success at conversion in the Kingdom of the Kongo, a powerful state that was never conquered in the early modern period.

Excerpt of letter from Nzinga Mbemba to Portuguese King João III
In 1526, the king of the Kongo, Nzinga Mbemba (who by this time had adopted the Christian name of Afonso I) began writing a series of twenty-four letters to the Portuguese King Joao III appealing for an end to the slave trade.