Nationalism is the term historians used to characterize the modern sense of national political autonomy and self-determination from the late 18th century onwards. For example, German nationalism emerged as a reaction against Napoleonic control of Germany as the Confederation of the Rhine around 1805â14.
1 Work out the length of your average menstrual cycle. Day one is the first day of the menstrual period and the last day is the day before the next period begins.  Ovulation happens about two weeks before the next expected period. So if your average menstrual cycle is 28 days, you ovulate around day 14.
Calculating the number of days using Excel is pretty simple. Just use a formula to subtract the later date from the earlier date. For example, if cell A1 contains 1-Jan-2004 and cell A2 contains 03-Mar-2004, you simply enter the formula =A2-A1 in cell A3 to get the number of days.At first the result may look strange.ust use a formula to subtract the later date from the earlier date. For example, if cell A1 contains 1-Jan-2004 and cell A2 contains 03-Mar-2004, you simply enter the formula =A2-A1 in cell A3 to get the number of days. At first the result may look strange.