<date xmlns="http://www.tei-c.org/ns/1.0" when="1829-09-05" calendar="#julian #gregorian"> <hi rendition="#sup">24 <choice> <abbr>Aug.</abbr> <expan>August</expan> </choice> </hi> / <hi rendition="#sub">5 <choice> <abbr>Sept.</abbr> <expan>September</expan> </choice> </hi> </date> Sonnabend