LANGUAGE
Purpose: To specify the language for text values in a property or property parameter, in this case of the organizer. see [https://tools.ietf.org/html/rfc5545#section-3.8.4.3] and [https://tools.ietf.org/html/rfc5545#section-3.2.10] Language-Tag as defined in RFC5646, e.g. "en:Germany" Type: String