Ukraine has been on the front page of newspapers around the world; history is being made there. Some general history numbers for Ukraine from 1855 to present can be found already built in WebDewey:
How were these numbers built? The basic number for history of Ukraine has two add footnotes:
*Add as instructed under 930-990
†Add historical periods as instructed under 947.5-947.9
At 930-990 History of specific continents, countries, localities; extraterrestrial worlds is the basic instruction for building history numbers: "Add to base number 9 notation T2--3-T2--9 from Table 2, e.g., general history of Europe 940, of England 942, of Norfolk, England 942.61; then add further . . . . "
Notation from Table 2 for Ukraine is T2—477 Ukraine.
Notation for historical periods is added according to the instructions at 947.5-947.9
European countries of former Soviet Union other than Russia; Caucasus area of Russia:
"Except for modifications shown under specific entries, add to each subdivision identified by † as follows. . . . " What follows is a detailed history period table, including, e.g.,
0841 1917-1940. Hence the number 947.70841 Ukraine—1917-1940 can be built (base number 9 plus T2—477 as instructed at 930-990 plus 0841 1917-1940 as instructed at 947.5-947.9).
An example of a work classed in 947.70841 Ukraine—1917-1940 is The Holodomor Reader: A Sourcebook on the Famine of 1932-1933 in Ukraine. An example of a work classed in 947.70854 Ukraine--Periods of I͡U. V. Andropov, K. U. Chernenko, and Mikhail Sergeevich Gorbachev, 1982-1991 is Ukraine: Perestroika to Independence. The number was built with base number 9 plus T2—477 as instructed at 930-990 plus 0854 as instructed at 947.5-947.9.947.5-947.9.
Examples of works classed in 947.7086 Ukraine--1991- are Ukraine on its Meandering Path between East and West and Ukraine's Orange Revolution.