SFPAST09_ph1.jpg;;2000 people gather on the Marina Green to mourn the death of John Lennon on December 9, 1980. They raise their hands in a ""V"" sign for peace as they sing along to the Lennon's ""Give Peace A Chance."";;;Vici MacDonald&#

SFPAST09_ph1.jpg;;2000 people gather on the Marina Green to mourn the death of John Lennon on December 9, 1980. They raise their hands in a ""V"" sign for peace as they sing along to the Lennon's ""Give Peace A Chance."";;;Vici MacDonald;/ San Francisco Chronicle/1980;;Ran on: 12-09-2005;Thousands of mourners gather on the Marina Green after John Lennon is slain on Dec. 8, 1980. They raise their hands in &quo;V&quo; signs for peace as they sing along to Lennon's &quo;Give Peace a Chance.&quo; (Photo by Vici MacDonald/San Francisco Chronicle via Getty Images)