Boris Becker is a former professional tennis player for Germany.
Can we say the following?
Boris Becker is a Wimbledon champion.

no

U.S. officials said they hope to install Aristide presidential palace in Port-au-Prince about 10 days after U.S. troops land in Haiti, a schedule that an Aristide aide said is acceptable to the ousted president
Can we say the following?
Port-au-Prince is in Haiti.

yes

This document declares the 'irrevocable determination' of Edward VIII to abdicate. By signing this document on December 10th, 1936, he gave up his right to the British throne.
Can we say the following?
King Edward VIII abdicated on the 10th of December, 1936.

yes

The British tabloids portrayed Nicholas Leeson as a working-class villain who single-handedly brought down Barings PLC, a 233-year-old London merchant bank that helped finance the Napoleonic wars.
Can we say the following?
Barings was Britain's oldest merchant bank.
no