[WIP] Improve article

bitcoin-important-dates/eng.md

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 # Important dates in Bitcoin history
 
-These are the most important dates in Bitcoin history:
+These are the most important dates that everyone interesting in the field of blockchain and bitcoins should know about:
 
 1. October 31st, 2008: Bitcoin whitepaper
+
+This was the day Satoshi Nakamoto published a scientific paper that started the whole bitcoin movement.
+
 2. January 3rd, 2009: The Genesis block
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+The genesis block is the first published block in the blockchain. The block contained the text *"The Times 03/Jan/2009 Chancellor on brink of second bailout for banks."*
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+The hash of the block is "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f", which contains more leaading zeros (for uknown reasons) than required for that date.
+
 3. May 22nd, 2010: The pizza day
 4. November 28th, 2013: 1 Bitcoin = 1,000USD
 5. March 2nd, 2017: 1 Bitcoin = 1Oz of Gold