A few hours after Belgium capitulated on 27 May, he and Paul-Henri Spaak met with the leaders of France - Paul Reynaud, Maxime Weygand, and Philippe Pétain.
Hubert Humphrey | Hubert Parry | Hubert Robert | Hubert von Herkomer | Hubert Laws | Hubert H. Humphrey Metrodome | Hubert Gough | Hubert Burda Media | James Hubert Blake High School | Hubert Parker, Baron Parker of Waddington | Hubert Sumlin | Hubert Soudant | Hubert-François Gravelot | Hubert Austin | Yves-André Hubert | Saint-Hubert | Hubert Zemke | Hubert Wilkins | Hubert Walter | Hubert Rance | Hubert Opperman | Hubert Lyautey | Hubert Ingraham | Hubert Howe Bancroft | Hubert Cecil Booth | Hubert | Saint-Hubert, Belgium | Hubert von Luschka | Hubert Védrine | Hubert Tonka |
Sap was Minister of public work and of agriculture and tradespeople (1932–1934), Minister of Finance (1934), Minister of economy and tradespeople (1939–1940) in the government of Hubert Pierlot.