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6 de may. de 2024 · Día Mundial de la Filatelia 2024. El 6 de mayo de 1840 el correo británico comenzó a utilizar el sello postal como nuevo sistema para el franqueo de correspondencia. Por tal motivo se celebra en esta fecha el Día Mundial de la Filatelia. El primer sello postal, denominado “Penny Black” (o penique negro), fue una iniciativa del maestro e ...
Hace 3 días · Bitcoin ( abbreviation: BTC; [a] sign: ₿) is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight.
- BTC, XBT
- 10−8
- Bitcoins
- ₿, (Unicode: .mw-parser-output .monospaced{font-family:monospace,monospace}U+20BF ₿ BITCOIN SIGN)
23 de abr. de 2024 · 23 April 2024 — Today, the Wikimedia Foundation, the nonprofit organization that operates Wikipedia and other Wikimedia projects, along with 12 Wikimedia affiliates, published an open letter calling on United Nations (UN) Member States to include commitments in the forthcoming Global Digital Comp a ct that can allow online public ...
Hace 3 días · 2.4 million (2016) [9] Dementia is a syndrome associated with many neurodegenerative diseases (most commonly Alzheimer's ), which is characterized by a general decline in cognitive abilities that impacts a person's ability to perform everyday activities. This typically involves problems with memory, thinking, behavior, and motor control. [10]
- 2.4 million (2016)
- Supportive care
- Acetylcholinesterase inhibitors (small benefit)
Hace 1 día · France ( /ˈfræns/ (help·info) or /ˈfrɑːns/; French pronunciation: [fʁɑ̃s] ), officially the French Republic (French: République française, French pronunciation: [ʁepyblik fʁɑ̃sɛz] ), is a country in Western Europe. It also includes various departments and territories of France overseas. Mainland France extends from the ...
Hace 18 horas · Russia,[b]or the Russian Federation,[c]is a country spanning Eastern Europeand North Asia. It is the largest country in the world by area, extending across eleven time zonesand sharing land borders with fourteen countries. [d]It is the world's ninth-most populous countryand Europe's most populous country. Russia is a highly urbanized country ...
19 de abr. de 2024 · Wikipedia, free Internet-based encyclopaedia, started in 2001, that operates under an open-source management style. It is overseen by the nonprofit Wikimedia Foundation. Wikipedia uses a collaborative software known as wiki that facilitates the creation and development of articles.
