Less than one year after the destruction of the Berlin Wall, East and West Germany come together on what is known as “Unity Day.”

Marking 25 years since Germany’s 1990 reunification, Joe Baur cycles the Berlin Wall Trail, packing in nearly half a century of history over a single day.

Fidel Castro arrives in New York City as the head of the Cuban delegation to the United Nations. Castro’s visit stirred indignation and admiration from various sectors of American society, and was climaxed by his speech to the United Nations on September 26.

After the Berlin Wall was destroyed in 1989, East and West Germany still had a long way to go before they could become one nation. But in August 1990, the date was finally set for the birth of reunified Germany.

In an effort to stem the tide of refugees attempting to leave East Berlin, the communist government of East Germany begins building the Berlin Wall to divide East and West Berlin. Construction of the wall caused a short-term crisis in U.S.-Soviet bloc relations, and the wall itself came to symbolize the Cold War.

How a troubled past turned a Soviet military engineer into one of the CIA’s most valuable spies. By David E. Hoffman.

As night fell over the East German town of Pössneck on the evening of 14 September 1979, most of the town’s citizens were busy getting ready for bed. But not Günter Wetzel. The mason was in his attic, hunched over an old motor-driven sewing machine, desperately working to complete his secret project... By Marissa Brook.

Something strange happened in March 1990. Ground-based observers were busy tracking the orbital progress of a classified Department of Defense payload, recently deployed by the crew of Shuttle Atlantis on STS-36.

Spooks have left their mark on a once-divided city still thought to be an espionage hotbed.