2.1. 1996-1999

• 1996 Versit Consortium issued vCalendar

• 1996 IETF CALSCH working group started on iCalendar specification

• 1997 Work began on Calendaring Access Protocol (CAP) calendar server draft

• 1998 iCalendar (RFC 2445), iTIP (RFC 2446) and iMIP (RFC 2447) became proposed standards

• 1998-2000 Some interoperability testing