When Ronald Reagan died during post-production, Vinnie Russo's line predicting President Reagan's death had to be ADR'd to replace his name. ("Henry Kissinger" took his place in the queue.)
Pope John Paul II's death was the most waited-for news event of the century. Obit writers and news teams had obituaries prepared for decades, and networks rented condos overlooking St. Peter's for years to make sure they had a good view for the funeral. The Pope died shortly after the film was finished.
An Obituary Writers conference is held every year in Las Vegas, Nevada.
A drunk driver drove through the wall of the set (Hearst's Herald-Examiner Newspaper) on the second night of production. No one was hurt.