Search Results: Earth day

Saint Valentine’s Day, or simply Valentine’s Day, is celebrated on the 14th of February, almost internationally but primarily in western societies. It is a commemorative Christian feast for some but a secular occasion for others who see it...

D-Day was the first day of Operation Overlord, the Allied attack on German-occupied Western Europe, which began on the beaches of Normandy, France, on 6 June 1944. Primarily US, British, and Canadian troops, with naval and air support, attacked...

The St. Bartholomew's Day Massacre was a widespread slaughter of French Protestants (Huguenots) by Catholics beginning on 24 August 1572 and lasting over two months, resulting in the deaths of between 5,000 and 25,000 people. It began in...

The Normandy landings in France, which began on D-Day, 6 June 1944, involved the largest troop movement in history, but in this article, we focus on the view from civilians directly involved in that momentous day when the Allies sought to...

An illustration showing Greek scientist Eratosthenes' method for calculating the circumference of the Earth. By measuring the angle of a shadow in one location (Alexandria) and comparing at the same time with a second point (Syene) where...

An illustration portraying Sif, a goddess in the Norse pantheon. She was associated with earth but was married to Thor, the god of the sky and thunder. Sif is a relatively little known figure who appears mainly in the Poetic Edda from the...

Margaret of Valois' eyewitness account of St. Bartholomew's Day Massacre is among the most famous and the only written record of the event left by a member of the royal family of France at the time. Her account appears in her memoirs as Letter...

The United States holiday of Thanksgiving is generally understood to be inspired by the harvest feast celebrated by the citizens of Plymouth Colony (later known as pilgrims) and the Native Americans of the Wampanoag Confederacy in the fall...

Earth's solar system by NASA and Rawpixel.

Ancient Greek astronomy was the study of the universe to understand how it functioned and why apart from the established theistic model that claimed all things were ordered and maintained by the gods. Ancient Greek astronomers relied on observation...