The Main Concourse has also been used as a gathering venue . In the 1960s , the terminal 's tenant CBS installed a CBS News television screen above the ticket offices to follow the spaceflights of Project Mercury ; thousands would gather in the Main Concourse to watch key events of the flights . Politicians such as U.S. presidents Calvin Coolidge and Harry S. Truman ; presidential candidates Thomas Dewey and Robert F. Kennedy ; and governor Herbert Lehman have also held events within the concourse . The Main Concourse has also been used for memorials , including events to commemorate U.S. ambassador to France Myron T. Herrick and former first lady Jacqueline Kennedy Onassis after their deaths ; celebrations for Martin Luther King Jr . Day ; and an impromptu memorial created after the September 11 attacks in 2001 . Several celebrations have also taken place at the terminal , such as a celebration for the New York Giants after they won the NFL championship in 1933 ; an event for the Brooklyn Dodgers in 1941 ; and several large parties and New Year 's celebrations
September 11 attacks
September 11 attacks
Grand Central Terminal