Great moments in San Francisco Giants Opening Day baseball include the first-ever Giants game at Seals Stadium in 1958, and the first game at what is now AT&T Park in 2000. […] for pure madness, weirdness, magic and mayhem, the finest Opening Day in history was April 12, 1960, when the team debuted at Candlestick Park, playing against the St. Louis Cardinals, and Richard Nixon shook hands with Willie Mays. […] the centerpiece attraction in retrospect was then-Vice President Nixon, an early Candlestick booster who declared “this will be one of the most beautiful baseball parks of all time” when the stadium was three-quarters finished. “What a marvelous stadium in which to have the World Series!” the Los Angeles Dodgers’ fan told reporters, a comment that would have blown up on Twitter if social media had been invented 40 years earlier. Brown, who like his son Jerry must have been a sports agnostic, made the public gaffe of the day, predicting that “the Giants and Dodgers will meet in the World Series.” Art Hoppe trained his binoculars on the future president at the game and wrote a column about what he saw, reporting that Nixon only stood up three times: during a home run, a great catch and “in the ninth when there was a fight in the stands above the Giants’ dugout.” The following day’s newspaper shows at least 14 Chronicle journalists covered some aspect of the game, but no one recorded the exchange between the two eternal household names. Several images were taken, but not enough to read lips. […] Mays writes his memoirs, we’ll have to imagine what was said.