1963 – Crown Princess, born Masako Owada, on December 9th, in Tokyo, Japan, to Ambassador Hisashi Owada, and Yumiko Owada.
1985 – When her father accepted a teaching position at Harvard University in Cambridge, Massachusetts, the family moved to nearby Belmont. After the position ended, Masako stayed on to attend Harvard.
– She graduated magna cum laude with a degree in Economics.
1986-1987 – She attended the University of Tokyo’s law department to study for the Diplomatic Service Examination. She passed the notoriously difficult Foreign Ministry entrance exam after only one year of study (most people need at least two years, and even then only a small percentage pass), and joined the Foreign Ministry.
– At a reception for Spain’s Princess Elena in Tokyo, Masako was introduced to the Crown Prince Naruhito.
1993 – After the third time the proposal was extended, Masako at last relented, and married the Crown Prince in a traditional ceremony. They were married on June 9th.
1999 – Suffered a miscarriage after her pregnancy was publicly announced.
2001 – Gave birth to her daughter Aiko on December 1st. Due to the male-only law of imperial succession, the girl is not in the line of the Japanese throne.
2004 – The Imperial Household announced that Masako was suffering from adjustment disorder, a stress-induced mental condition; the official statement blamed the stress on "her special status as a crown princess, problems relating to her pregnancy and miscarriage, and her busy life".