What was the slowest World War 1 plane?

The plane with the slowest max speed that was ever flown during WWI was the Bleriot XI, manufactured in France, and used primarly for Reconnaissance. It had a top speed of only 47 mph. The slowest American plane was the Aeromarine 40 Flying Boat Trainer Aircraft, with a top speed of 71 mph. The slowest aircraft actually used in battle was the Caproni Ca.1 Heavy Day Bomber, used in Italy, with a top speed of 75 mph. In America it was the Martin MB-1 / Glenn Martin Bomber Reconnaissance / Bomber Aircraft, with a top speed of 104 mph.