Global silver trade from the 16th to 18th centuries American mining for the early part of the 16th Century. Mining in the Americas became formally industrialized when the process of mercury amalgamation became popularized. Mercury amalgamation was invented by a Spaniard in central Mexico in the 1550s. Historians dispute what individual was the first to invent the process, however most agree that it was a Spaniard. Mercury was the one of the highest costs of production for the Americas, since much of it had to be shipped. The ratio of Mercury to silver produced was about two to one. Furthermore, German miners introduced the stamp mill and lead smelting
Manifesto to the Polish Nation Manifesto to the Polish Nation The Manifesto to the Polish Nation, also called the Manifesto of Grand Duke Nicholas or Manifesto of the 14th August 1914; was a proclamation by Grand Duke Nicholas, commander in chief of the Russian armies to Poles on 14 August 1914 after the outbreak of World War I. Nicholas, proclaiming that though 'a hundred and fifty years ago the living body of Poland was torn to pieces, [...] her soul survived and she lived in hope that for the Polish people would come an hour of regeneration and reconciliation with Russia'. Nicholas promised the re-unification