Conservative Peter Magyar was sworn in as Hungary's new prime minister on Saturday. Magyar's center-right Tisza party defeated Viktor Orban's right-wing populist Fidesz by a landslide last month, ending his 16-year rule. "Hungarian people have given us a mandate to put an end to decades of drifting," Magyar said. "They have given us a mandate to open a new chapter in Hungary's history. Not only to change the government, but to change the system as well. To start again." Hundreds of people gathered outside parliament to watch the swearing-in ceremony on big screens. One sign of the change in power on Saturday was the EU flag once again flying outside Hungary's parliament — 12 years after Orban removed it Image: Marek Ladzinski/ZUMA/picture alliance What changes has Magyar promised? Magyar's Tisza party won 141 of parliament's 199 seats in the April elections, giving it the two-thirds majority needed to change the constitution and push through reforms.…