The first fair of technological products was held in Gorna Oryahovitsa in 1925.https://obshtinite.bg/t The idea of holding the sample fair came from the trader Stefan Obreshkov. A Fair Committee is being established. Participants in it include companies from Europe and the world such as: Fiat, Ford, Siemens, Philips, Bulgarian companies and others.Сашка Александрова, „Малко известно – Първият мострен панаир у нас е в Горна Оряховица през 1925 г., Пловдив купува правата му през 1932 г." The last edition of the fair was held in 1932, after which it moved to Plovdiv.Николай Малев. „История на мострения панаир в Горна Оряховица", 1988 г.https://www.borbabg.com/
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