https://lists.iana.org/hyperkitty/list/tz@iana.org/thread/CVRKDD2QQO7JDN4Z4TMDGXCYIMZHBNPB/
about DST in Europe - tz - lists.iana.org
about dstin europetzlistsiana
https://lists.iana.org/hyperkitty/list/tz@iana.org/thread/O667EHITUZMS2H52MZI4XDYHD2LOJPOS/
Turkey law about DST has been annulled - tz - lists.iana.org
about dsthas beenturkeylaw