"Living in dreams of yesterday, we find ourselves still dreaming of impossible future conquests."
[Charles Lindbergh]
Quote of the Day, from brainyquote.com (2025/09/15)
Article of the Day
The red wattlebird is a passerine bird native to southern Australia. With a length of 33–37 cm (13–14½ in), it is the second largest species of Australian honeyeater. It has mainly grey-brown plumage, with red eyes, distinctive pinkish-red wattles on either side of the neck, white streaks on the chest and a large bright yellow patch on the lower belly. Loud and conspicuous, the red wattlebird is generally found in trees, where it gets most of its food; occasionally it forages on the ground. It is one of the largest nectarivorous birds in the world, feeding from a wide variety of flowering plants. Insects also comprise part of its diet. It is territorial and at times aggressive towards birds of other species, often defending rich sources of nectar. Breeding throughout its range, the red wattlebird builds a cup-shaped nest in a tree and raises one or two broods a year. Although it has declined in places from land clearing, it is classified as Least Concern on the IUCN Red List. (Full article...)
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Image of the Day

Source: Wikimedia Commons.
On this day: September 15
September 15: Battle of Britain Day in the United Kingdom (1940)

- 1776 – American Revolutionary War: British forces made an unopposed amphibious landing at Kips Bay on Manhattan, the American defenders having fled due to artillery fire.
- 1795 – French Revolutionary Wars: Great Britain seized the Dutch Cape Colony to use its facilities against the French Navy.
- 1935 – Nazi Germany enacted the Nuremberg Laws (pictured), which deprived Jews of their citizenship.
- 1944 – World War II: American and Australian forces landed on the Japanese-occupied island of Morotai.
- 2017 – A homemade bomb partially exploded on an eastbound District line train at Parsons Green tube station in West London, injuring 30 passengers.
- Catherine of Genoa (d. 1510)
- Edmé Boursault (d. 1701)
- Signe Toly Anderson (b. 1941)
- Prince Harry, Duke of Sussex (b. 1984)
Knowledge about Earth

Facts and Figures
- Age of Earth: ~ 4.568 billion years
- World Population: 7.3 billion (July 2015)
- Continents: 7 (Asia, Africa, North America, South America, Antarctica, Europe, and Australia)
- Mean Radius: 6371.0 km
- Axial Tilt: 23,44°

Image Source: Wikipedia - License: Public Domain (thanks to NASA)

Our Solar System
Our solar system consists of
1 star (Sun) and 8 planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune).
- 1 AU (astronomical unit) is roughly the distance between Earth and the Sun (about 150 million kilometres).
- The space probe Voyager 1 was launched by the NASA in 1977 and is meanwhile (autumn 2015) about 133 AU away from Earth.

Image Source: Wikipedia - License: CC BY-SA 3.0
Why you should extend your general knowledge:
There are many reasons why one should or wants to extend his knowledge.
First you should consider that "general knowledge" is knowledge which a group of humans - who belong together regional, temporal or otherwise - owns. Thus, it describes a basic understanding of specific categories of knowledge.
As the English philosopher Francis Bacon said before: "Wisdom is Power" [Bacon 1597].