From TM-XML-Wiki

Any country specific date. An attribute defines the kind of event represented by that date

OtherDateType (Complex Type)
No	Element	Type	Card.	Definition
1	Attribute:otherDateKind	OtherDateKindType	Use:optional	Kind of event represented by that date
Type of:				OtherDate

Translation

de - German

es - Spanish

fr - French

it - Italian

Implementation-Specific