National Novel Writing Month
National Novel Writing Month, often shortened to NaNoWriMo ( NAN-oh-RY-moh), is an annual creative writing challenge that takes place in November of each year. Participants are tasked with writing a 50,000-word novel draft by the end of the month, aiming for an average of 1,667 words each day.
Source: Wikipedia — National Novel Writing Month (CC BY-SA 4.0)