Happy April

April is the fourth month of the year in the Gregorian Calendar, and one of four months with a length of 30 days. April was originally the second month of the Roman calendar, before January and February were added by King Numa Pompilius about 700 BC. It became the fourth month of the calendar year (the year when twelve months are displayed in order) during the time of the decemvirs about 450 BC, when it also was given 29 days. The Julian calendar reform of 46 BC gave April 30 days, effective in 45 BC. More April