The Chicago Tribune famously published a premature headline declaring Thomas Dewey the winner of the 1948 election over Harry Truman, which you may recognize as a thing that didn't happen. Amazingly, the news media does stuff like this all the time, because just like any other profession in the world, the news is full of clumsy assholes.
Newspapers keep regularly updated "obituary drafts" of famous people who look like they might drop dead at any moment so they can be the first to break the story when it happens. Please note that "fame" and "relevance" do not always share a taxi, so many of these obits boil down to "Hey, remember this guy? Well he's dead."
Occasionally, the obituary drafts get published by mistake. The Associated Press released one for comedian Bob Hope, declaring him dead five years before it actually happened (to be fair, Bob Hope's jokes had been dead for centuries). Bloomberg ran a 17-page obituary for Steve Jobs in 2008 (Jobs didn't pass away until 2011), which seems a little excessive, considering that it rivals the length of the New York Times obituary for Gandhi, a person who arguably did more noteworthy things than make toys for rich people.
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And who unarguably had a better chest.