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--- coins [2021/05/18 13:41]
rapidplatypus [Coin flips]
+++ coins [2022/07/13 06:42] (current)
aga
@@ Line 2: / Line 2: @@
 ==== Coin flips ====
-Coin flips have a 50.8 percent chance of landing the same way up as when they started. [([[https://www.stat.berkeley.edu/~aldous/Real-World/coin_tosses.html]])].
+Coin flips have a 50.8 percent chance of landing the same way up as when they started. [([[https://www.stat.berkeley.edu/~aldous/Real-World/coin_tosses.html|Berkeley]])]
+==== More than 2600 years ago ====
+The first coins were created more than 2600 years ago - exactly in the 7th century BC in what is now Turkey. [([[https://www.bbc.co.uk/ahistoryoftheworld/objects/7cEz771FSeOLptGIElaquA|BBC]])]
+==== The oldest Polish coin ====
+The oldest Polish coin was struck between 970 and 992. On the obverse, it bears a very simplified image of a temple (formerly interpreted as a duke's miter) and a cross symbol in the reverse.[([[https://journals.pan.pl/Content/118349/PDF/06_Bogucki.pdf?handler=pdf|Polish Academy of Science]])]
+==== 1 Tonne Australian Kangaroo ====
+The largest coin weighs 2,231 lb and was over 2 ft 7.49 in diameter. It was called the "1 Tonne Australian Kangaroo" and introduced on 9 February 2012 by the Perth Mint in Australia.[([[https://www.guinnessworldrecords.com/world-records/largest-coin|Guiness World Recrods]])]
+==== Coin spins ====
+.37 seconds is the official record for the time a coin spins until it comes to a complete rest. This was done by Briton, Scott Day in London during an entertainment program on the BBC channel.[([[https://www.spudart.org/blog/spin-quarter-get-world-record/|Spudart]])]
+==== The smallest coin ====
+The smallest coin in the world was created in Switzerland. It featured Albert Einstein's famous tongue-out pose. The coin was just 0.1” in diameter and some of its features couldn't be seen with the naked eye. [([[https://magazine.promomarketing.com/article/switzerland-creates-worlds-smallest-commemorative-coin-complete-with-lit-magnifying-glass-packaging/|Promo Marketing]])]
+==== Collector coins ====
+The denomination does not always matter. This statement applies mainly to collector coins, whose value is much higher due to their rarity. The value of the coin is also affected by the bullion it is made of - bullion coins are minted from pure gold and silver. [([[https://www.warwickandwarwick.com/news/guides/what-is-the-true-value-of-commemorative-coins|Warwick and Warwick]])]
+==== A ton of pure gold ====
+In 2011, the Australian Mint minted a coin that contained a ton of pure gold with a denomination of one million dollars! However, on the day of the coin's release, a ton of gold was worth, about 53 times more. [([[https://www.kidsnews.com.au/money/australias-milliondollar-gold-coin-has-a-big-day-out-in-new-york/news-story/24f7c2711719609e29ce257b39c5595d|Kids News]])]
+==== First counterfeit ====
+,000 years ago money was counterfeited for the first time! The person who first committed this was Polycrates, who independently counterfeited coins minted from gold. With their help, he paid a debt to the Spartans, which led to a war and to his assassination. [([[https://www.researchgate.net/publication/254671222_Prevalence_and_Profitability_The_Counterfeit_Coins_of_Archaic_and_Classical_Greece|Research Gate]])]
+==== Oldest currency in the world ====
+The oldest currency in the world is the pound sterling, which was first minted in the late 15th century. [([[https://www.weforum.org/agenda/2016/06/a-short-history-of-the-british-pound/|We Forum]])]
+==== Big spenders ====
+Which country spends the most money on travel? China! In 2021 alone, Chinese citizens spent $105.7 billion. In second place in the ranking was the United States with $57.9 billion in spending, while third place went to Germany, which spent $48.2 billion on travel. [([[https://www.statista.com/statistics/273127/countries-with-the-highest-expenditure-in-international-tourism/|Statista]])]
+==== The world's oldest coin ====
+The oldest coin dates back to the 7th century BC. [([[https://greekreporter.com/2022/03/04/worlds-first-coins-greek/|Greek Reporter]])]
+==== Electrum ====
+The oldest coins were minted from electrum, or gold and silver. [([[https://www2.lawrence.edu/dept/art/BUERGER/ESSAYS/PRODUCTION3.HTML|Lawrence University]])]
+==== Seashells money ====
+The longest existing currency was sea snail shells. [([[https://www.messynessychic.com/2019/03/18/when-seashells-were-money/|Messy Nessy Chic]])]
+==== 170 currencies ====
+More than 170 different currencies are used around the world. [([[https://seriousfacts.com/money-facts/over-170-different-currencies-are-used-around-the-world-today/|Serious Facts]])]
+{{tag>money business history}}

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