Original: Around midnight, after nearly all critical offices and buildings had fallen into Nazi hands in Vienna and the main political party members of the old government had been arrested, Miklas finally conceded to appoint Seyss-Inquart Chancellor.
Simplified: Around midnight, after nearly all critical offices and buildings had fallen into Nazi hands in Vienna and the main political party members of the old government had been arrested, Miklas finally appointed Seyss-Inquart Chancellor.