Year.Month Events 1951.04 Founded. 1952.09 Membership bulletin "Research and Practice" founded. 1953.11 First annual conference at Tokyo. 1955.02 Monthly organ "Mathematics Classroom" founded. 1963.08 Guiding Principle announced. 1974.02 English name and abbr. "AMI" decided. 1980.08 First participation in ICME. 1984.08 Booklet "Principles of Mathematics Education" was published. . . 2000.08 ICME9 at Tokyo, Japan. (one of Co-Organizer) 2001.10 "Mathematics Classroom" 600th issue. 2002.08 50th annual conference