TOKYO, Nov. 30 (UPI) -- An Imperial Palace celebration for the seventh birthday of Japan's Princess Aiko has been canceled because the princess is sick, royal officials say.

TOKYO, June 9 (UPI) -- Japanese Crown Princess Masako and Princess Aiko visited Crown Prince Naruhito Saturday at the hospital in Tokyo where he's recovering from surgery.

TOKYO, Sept. 8 (UPI) -- The Japanese official expected to become the next prime minister dropped a plan to change the succession law even before this week's birth of a male heir.

TOKYO, Sept. 5 (UPI) -- The Chrysanthemum Throne acquired a male heir Wednesday when Princess Kiko, wife of the younger son of Emperor Akihito of Japan, gave birth to a boy.

TOKYO, April 11 (UPI) -- Princess Aiko, the little girl who may become empress of Japan, entered kindergarten Tuesday.

TOKYO, Feb. 7 (UPI) -- The wife of Japanese Emperor Akihito's second son, Princess Kiko, announced she was pregnant on Tuesday, and due to give birth in September or October.

TOKYO, Feb. 1 (UPI) -- Some 40 Japanese lawmakers joined a Tokyo rally estimated a 1,200 to protest the government's plan to allow women to ascend to the throne, a report said.

TOKYO, Jan. 20 (UPI) -- Some 800 people gathered in Tokyo to protest the Japanese government's plan to move toward allowing women to assume the imperial throne. Most of those who joined the Thursday protest were connected to Shinto shrines, Kyodo News reported.

TOKYO, Jan. 3 (UPI) -- The Japanese government will present a bill that would authorize females and their descendents to ascend the throne, sources say.