Completed on September 20th, 2009.
But I usually like to make it a little "chronological", so write it like this.
It was written in 1998 and sealed.
The Republic of China was founded in 19 12, and this year is 98.
I think the date of the Republic of China has the traditional charm of China. Calligraphy itself is a part of China's classical works. Don't you think so?