2006-02-02 - hi5 established by Shiomi Sawa, the former CEO of KESPI
2006-04-03 - Recruitment of check-up testers starts
2006-04-09 - Check-up Tester Recruitment Deadline
2006-04-10 - Start of the check-up test
2006-04-14 - Recruitment of additional check-up participants begins
2006-04-16 - Deadline for additional check-up participants
2006-04-24 - Call for Checkup 2nd participants
2006-04-24 - Checkup test is over
2006-04-28 - Checkup 2nd started
2006-05-07 - Checkup 2nd ends
2006-05-29 - Recruitment of brush-up testers starts
2006-06-05 - Brush-up start
2006-07-19 - official launch
2007-07-12 - ver.Fiesta update

2010-02-28 - official shutdown