To display numbers in scientific notation, use one of the exponent codes in the number format code â for example, Eâ, E+, eâ, or e+. If a number format code section contains a zero (0) or number sign (#) to the right of an exponent code, Excel displays the number in scientific notation and inserts an E or e.
Then, when Abraham Lincoln was in office he declared the last Thursday of November Thanksgiving Day in 1863. That is when it finally became a national holiday. Every president since Lincoln has also declared Thanksgiving a national holiday.
In 1863, Abraham Lincoln had declared a national day of thanksgiving in November and by tradition it became customary for the presidents who followed him to annually declare that it would be observed on the last Thursday of the month.