CZECH REPUBLIC - BRNO - O. SEBOR (DATES UNKNOWN) VISITEZ BRNO. Circa 1936. The sleek, aerodynamic, red Slovenska Strela, the "Slovak Arrow," was put into service in 1936. Ran between Prague and Bratislava in 4hrs 28mins. Two such magnificent engines were built and taken out of regular service in 1939 with the onset of the Second World War.