Founded by Jane Harris with the support of George Hasegawa and Kikue Atkins in 1979. It was initially a meeting at the Westwood Country Club. The programs were in conjunction with Webster University's Japan Festival.
- 1997 - Bylaws approved
- 1990 - Monthly newsletter launched
- 2003 - Current logo was introduced
- 2003 - Commemorating the 25th anniversary, Cherry tree planted in Missouri Botanical Garden
- 2008 - Respect for Elders Day became the September event
- 2009 - In celebrating 30th Anniversary, provided assistance to the St. Louis Japanese Language School