On July 8, 1898, the correspondent of the magazine "Nature" saw in the German city of Kiel a celestial object reddened by the sun, as wide as a rainbow, which "remained shining for a few minutes, and then it gave a rapid jump, He was immobile again, and disappeared suddenly eight or ten minutes later. "

On March 6, 1912, as reported by the magazine "Nature", the inhabitants of Warmely, in England, were surprised to see a splendidly lit airplane flying over the small town. According to the editor of the local newspaper, "it was a huge ball of fire with three heads. These days, anything can happen. " That same day, at six in the evening, some people saw in the county of Wicklow, in Ireland, a triangular object that crossed the sky. It was golden yellow, and looked like the crescent moon. It evolved slowly, and it took him five minutes to get lost behind a mountain. A journalist who observed the phenomenon estimated that it was an escaped balloon.
That same day, in the Canadian city of Featherstown, the meteorologist F. F. Payne saw a large pear-shaped object that crossed the sky. He took it first by a balloon, because "his outline was not very defined, but when he did not see any hanging basket, he concluded that it must be a strange cloud shape". He was struck by the fact that no wind was blowing, and in spite of that the object disappeared in the blink of an eye. What were those mysterious flying objects really?