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2 天前 · The Battle of Thermopylae (/θərˈmɒpɪliː/ thər-MOP-i-lee; Greek: Μάχη τῶν Θερμοπυλῶν, Máchē tōn Thermopylōn) was fought in 480 BC between the Achaemenid Persian Empire under Xerxes I and an alliance of Greek city-states led by Sparta under Leonidas I. Lasting over the course of three days, it was one of the most ...
- 21–23 July, 20 August or 8–10 September 480 BC
- Persian victory
2 天前 · Fibonacci sequence. A tiling with squares whose side lengths are successive Fibonacci numbers: 1, 1, 2, 3, 5, 8, 13 and 21. In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn .
1 天前 · William Shakespeare (c. 23 April 1564 – 23 April 1616) was an English playwright, poet, and actor.He is widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist. He is often called England's national poet and the "Bard of Avon" (or simply "the Bard")." (or simply "the Bard").
23 小時前 · The G20 or Group of 20 is an intergovernmental forum comprising 19 sovereign countries, the European Union (EU), and the African Union (AU).[3][4] It works to address major issues related to the global economy, such as international financial stability, climate change mitigation and sustainable development.[5] The G20 is composed of most of ...
2 天前 · History (derived from Ancient Greek ἱστορία (historía) 'inquiry; knowledge acquired by investigation') [1] is the systematic study and documentation of the human past. [2] [3] The period of events before the invention of writing systems is considered prehistory. [4] ". History" is an umbrella term comprising past events as well as the ...
1 天前 · Les Misérables (/ l eɪ ˌ m ɪ z ə ˈ r ɑː b (əl),-b l ə / lay MIZ-ə-RAHB(-əl), - RAH-blə, French: [le mizeʁabl]), colloquially known as Les Mis or Les Miz (/ l eɪ ˈ m ɪ z / lay MIZ), is a sung-through musical with music by Claude-Michel Schönberg, lyrics by Alain Boublil and Jean-Marc Natel, and a book by Schönberg and Boublil, based on the 1862 novel of the same name by ...
23 小時前 · The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.The number π appears in many formulae across mathematics and physics.It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although fractions such as are commonly used to ...
