在指定的文本中找到所有的日期，并按时间顺序列出它们。
I was born on January 31st, 2000. My sister's wedding was on June 15th, 2021. Today is August 1st, 2021.
January 31st, 2000 
June 15th, 2021 
August 1st, 2021.
按照时间顺序列出了三个日期。