More than one doctor has found their theories dismissed by the existing establishment, only to be proven right years later. Perhaps none of those stories are more dramatic than the story of Werner Forssmann, who, when faced with defeat, simply chose to go around everyone and do his experiment anyway - on himself.
In one of the strangest trials of the 1980s, Giovanni Vigliotto was credited with breaking an unlikley world's record.
It might surprise you that OMG was not created by a millennial in the 2000s, but by a British admiral in 1917. And it wasn't the only OMG moment to occur on this day in history
Over 700 different aircraft models and designs reached active service and serial production worldwide during the Second World War. Some were quite famous, others much less so. Among the latter was a nearly forgotten US super Heavy Bomber design, overshadowed by a far more famous plane, that ended up perhaps most remembered for a dubious distinction.