Metro Line M4 (Budapest Metro) Metro Line M4 (Budapest Metro) Line 4 (officially: South Buda–Rákospalota (DBR) Line, Metro 4 or M4, and unofficially: Green Line), is the fourth line of the Budapest Metro. It opened on 28 March 2014. The first section, 7.4 km in length and consisting of ten stations, connects the southwestern Kelenföld vasútállomás located in Buda, and the eastern Keleti pályaudvar in Pest, under the River Danube. While three additional sections — one an eastern extension to Bosnyák tér, the second west to Virágpiac, and a third further east to Újpalota — have been planned, these remain unfunded by the Budapest city
Budapest Giorgio Perlasca in Budapest. Following the liberation of Hungary from Nazi Germany by the Red Army, Soviet military occupation ensued, which ended only in 1991. The Soviets exerted significant influence on Hungarian political affairs. In 1949, Hungary was declared a communist People's Republic (People's Republic of Hungary). The new Communist government considered the buildings like the Buda Castle symbols of the former regime, and during the 1950s the palace was gutted and all the interiors were destroyed (also see Stalin era). On 23 October 1956 citizens held a large peaceful demonstration in Budapest demanding democratic reform. The demonstrators went to