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The 2,500-year celebration of the Persian Empire,[1] officially known as the 2,500-year celebration of the Empire of Iran (Persian: جشن‌های ۲۵۰۰ ساله شاهنشاهی ایران, romanized: Jašn-hây-e 2500 sale’ šâhanšâhi Irân), was hosted by the Pahlavi dynasty in the Imperial State of Iran in October 1971. Concentrated at Persepolis, it consisted of an elaborate set of grand festivities that sought to honour the legacy of the Achaemenid Empir...

Mummia, mumia, or originally mummy referred to several different preparations in the history of medicine, from "mineral pitch" to "powdered human mummies". It originated from Arabic mūmiyā "a type of resinous bitumen found in Western Asia and used curatively" in traditional Islamic medicine, which was translated as pissasphaltus (from "pitch" and "asphalt") in ancient Greek medicine. In medieval European medicine, mūmiyā "bitumen...

Vasa (previously Wasa) (Swedish pronunciation: [²vɑːsa] 

The Exxon Valdez oil spill was a major environmental disaster that occurred in Alaska's Prince William Sound on March 24, 1989. The spill occurred when Exxon Valdez, an oil supertanker owned by Exxon Shipping Company, bound for Long Beach, California, struck Prince William Sound's Bligh Reef, 6 mi (9.7 km) west of Tatitlek, Alaska at 12:04 a.m. The tanker spilled more than 10 million US gallons (240,000 bbl) (or 37,000 tonnes)[1] o...

Olestra (also known by its brand name Olean) is a fat substitute food additive that adds no metabolizable calories to products. It has been used in the preparation of otherwise high-fat foods, thereby lowering or eliminating their fat content.

The Food and Drug Administration (FDA) approved olestra for use in the US as a replacement for fats and oils in prepackaged ready-to-eat snacks in 1996,[2] concluding that such use "meets the...

Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun. It is the largest known trans-Neptunian object by volume by a small margin, but is less massive than Eris. Like other Kuiper belt objects, Pluto is made primarily of ice and rock and is much smaller than the inner pla...

Defenestration (from Neo-Latin de fenestrā[1]) is the act of throwing someone or something out of a window.[2] The term was coined around the time of an incident in Prague Castle in the year 1618 which became the spark that started the Thirty Years' War. This was done in "good Bohemian style", referring to the defenestration which had occurred in Prague's New Town Hall almost 200 years earlier (July 1419), and on that occasion led...

Moving Day was a tradition in New York City dating back to colonial times and lasting until after World War II. On February 1, sometimes known as "Rent Day", landlords would give notice to their tenants what the new rent would be after the end of the quarter,^[1] and the tenants would spend good-weather days in the early ...

Samuel Langhorne Clemens (November 30, 1835 – April 21, 1910), known by the pen name Mark Twain, was an American writer, humorist, and essayist. He was praised as the "greatest humorist the United States has produced",^[1] with William Faulkner calling him "the father of American literature".

"The Juniper Tree" (also "The Almond Tree"; Low German: Von dem Machandelboom) is a German fairy tale published in Low German by the Brothers Grimm in Grimm's Fairy Tales in 1812 (KHM 47).^[1] The story contains themes of child abuse, murder, cannibalism and biblical symbolism and is on...

Optography is the process of viewing or retrieving an optogram, an image on the retina of the eye. A belief that the eye "recorded" the last image seen before death was widespread in the late 19th and early 20th centuries, and was a frequent plot device in fiction of the time, to the extent that police photographed the victims' eyes in several real-life murder investigations, in case the theory was true. The concept has been repeat...

The Charge of the Light Brigade was a military action undertaken by British light cavalry against Russian forces during the Battle of Balaclava in the Crimean War, resulting in many casualties to the cavalry. On 25 October 1854, the Light Brigade, led by Lord Cardigan, mounted a frontal assault against a Russian artillery battery which was well-prepared with excellent fields of defensive fire. The charge was the result of a misunde...