Title: John, King of England.
Question: When did Philip summon John to attend court?

Title: Mosaic.
Question: The same team of mosaicists worked on the Church of the Holy Apostles in Thessaloniki as which other building?

Title: Northwestern University.
Question: Which of Northwestern's alumni is notable for becoming the Governor of Illinois and a presidential candidate?

Title: States of Germany.
Question:
How much of the land did Prussia control?