President Uhuru Kenyatta was among tens of world leaders who attended the enthronement of Japanese emperor Naruhito.
The attendance of the Kenyan head of state was announce by state house on Twitter on Tuesday.
He was accompanied by his wife First Lady Margaret Kenyatta.
"President Uhuru Kenyatta was among the over 170 world leaders who witnessed the best of Japanese culture at the Enthronement of Emperor Naruhito.
"The President and First Lady Margaret Kenyatta attended the historic ceremony held at the Imperial Palace in Tokyo | @AbeShinzo," State House tweet read.
Naruhito ascended to the throne after the abdication of his father.
Praying for peace for Japan and the world, promised to act within the confines of the Japanese constitution and to dedicate his life to the service of the people of Japan.
"I hereby proclaim to those inside and outside of the country that I have been enthroned,” Naruhito said.
“I hereby swear that I will act according to the constitution and fulfill my responsibility as the symbol of the state and of the unity of the people of Japan, while always praying for the happiness of the people and the peace of the world as I always stand with the people, " he added.
The ceremony kicked off with the ringing of a bell with Naruhito wearing a brownish-orange robe.