In 1896, the city hosted the largest All-Russia exhibition. To this event a tram was opened in the city. The exhibition showed the world's first radio receiver of engineer Alexander Popov and the world's first hyperboloid tower of engineer Vladimir Shukhov. At the same exhibition, the first Russian car of the Frese and Yakovlev factories was demonstrated. The engine and transmission were manufactured by the Yakovlev factory, and the hull, chassis and wheels of the Frese factory.