Search results
Results from the WOW.Com Content Network
13th millennium BC · 13,000–12,001 BC 12th millennium BC · 12,000–11,001 BC 11th millennium BC · 11,000–10,001 BC 10th millennium BC · 10,000–9001 BC 9th millennium BC · 9000–8001 BC 8th millennium BC · 8000–7001 BC 7th millennium BC · 7000–6001 BC 6th millennium BC · 6000–5001 BC 5th millennium BC · 5000–4001 BC
16th century cupellation furnaces (per Agricola). Cupellation is a refining process in metallurgy in which ores or alloyed metals are treated under very high temperatures and subjected to controlled operations to separate noble metals, like gold and silver, from base metals, like lead, copper, zinc, arsenic, antimony, or bismuth, present in the ore.
Those holding that the arrival of the new millennium should be celebrated in the transition from 2000 to 2001 (i.e., December 31, 2000, to January 1, 2001) argued that the Anno Domini system of counting years began with the year 1 (there was no year 0) and therefore the first millennium was from the year 1 to the end of the year 1000, the ...
Silver price history in 1960–2020 showing the Silver Thursday event in 1980 Gold price history in 1960–2020 showing the Silver Thursday event in 1980. Silver Thursday was an event that occurred in the United States silver commodity markets on Thursday, March 27, 1980, following the attempt by brothers Nelson Bunker Hunt, William Herbert Hunt and Lamar Hunt (collectively known as the Hunt ...
In 1999, many Silver Maple Leaf coins were issued with a privy mark to commemorate the 20th anniversary of the RCM Maple Leaf Program. In the following year, the coins featured a privy mark with fireworks and the number 2000. Another Silver Maple Leaf version was issued to commemorate the millennium. The coins were double-dated 1999 and 2000. [14]
Silver is mentioned in the Book of Genesis, and slag heaps found in Asia Minor and on the islands of the Aegean Sea indicate that silver was being separated from lead as early as the 4th millennium BC. By 1,200 BC, silver mining shifted into the mines of Laurion in Greece, and continued growing the surrounding empire. [17]
One of the two coins of the series was a silver one dollar coin. The obverse features a portrait of Leif Ericson, designed by John Mercanti. The reverse features Ericson's ship, designed by T. James Ferrell. [1] Of the 500,000 coins authorized, the Philadelphia Mint struck 28,150 uncirculated and 58,612 proof coins. [2]
One of the earliest smelted iron artifacts known is a dagger with an iron blade found in a Hattic tomb in Anatolia, dating from 2500 BC. [25] The widespread use of iron weapons which replaced bronze weapons rapidly disseminated throughout the Near East (North Africa, southwest Asia ) by the beginning of the 1st millennium BC.