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To calculate number of days in several date spans just fill in the following table. Every table row contains span beginning date and span end date.
|arrow_upwardarrow_downwardName||arrow_upwardarrow_downwardBeginning date||arrow_upwardarrow_downwardEnd date|
The calculator can process date period intersections differently.
- If "Simultaneous events increase total number of days" option is switched on - all the day in all date spans are simply added up in spite of possible span intersections.
- If the switch is off - the calculator counts all the period intersections only once.
Period end date is not included in the calculation. The calculator produces a details table and graph, which contain an information on days counting and intersections.
We provide list of wars, in witch Russia and its predecessors (Russian Empire, Soviet Russia, USSR) participated since 19th century beginning. Interesting fact is 34% of calendar time for last two centuries Russia was at war. The greatest contribution in this mark was made by The Russian Empire (46% calendar time spent at war). For one full century and small addition before replacing by the Soviet Russia, The Russian Empire completed 14 wars, sometimes 3 wars were running simultaneously.