This special event station was on the air between 01 January 2007 and 30 April 2007 to commemorate Bulgaria’s accession to the European Union on 01.01.2007. During this activity were made more than 20,500 QSOs. Operators were: LZ1BJ, LZ1MC, LZ1PM, LZ1ZF, LZ2LE, LZ2PB, LZ2PEP, LZ2UZ, LZ3FN. You may request your bureau QSL sending e-mail to lz1bj@yahoo.com

http://en.wikipedia.org/wiki/Bulgaria