1. Seaman's kiss
There were loud cheers when Master Seaman Francis Legare embraced his partner, Corey Vautour, after more than eight months at sea. In what is believed to be a first for the Royal Canadian Navy, that time-honoured ceremonial kiss was between two men. Sometimes a kiss is more than just a kiss. Here are some others.
(Cpl. Brent Kenny/MARPAC Imaging Services/Combat Camera)
2. Departure kiss
This military couple snuck a kiss under the bow of HMCS Preserver before the ship and crew departed Halifax in October 2001. Three Canadian warships, including the Preserver, left Halifax to join the U.S.-led coalition fighting against the Taliban in Afghanistan.
3. VJ Day kiss
One of the most iconic kiss images is Alfred Eisenstadt's picture of a sailor kissing a nurse in New York City's Times Square at the end of the Second World War, an event Eisenstadt photographed for Time Life Magazine.
(Gabriel Bouys/AFP/Getty Images)
4. The Kiss at City Hall
Francoise Bornet, a former French actress who claims she and her boyfriend are the subjects of the famous The Kiss at City Hall photograph by Robert Doisneau, holds a reproduction of the photo in front of Paris City Hall, where the picture was taken in 1950.
5. Riotous kiss
After a police charge during the Vancouver Stanley Cup riot of June 15, 2011, Scott Jones took a moment to calm his girlfriend, Alex Thomas. The image of tenderness amid the mayhem attracted attention around the world.
6. Musical kiss
Madonna famously kissed Britney Spears and Christina Aguilera (not pictured) during the 2003 MTV Video Music Awards, at Radio City Music Hall in New York.
7. TV kiss
Captain James T. Kirk, played by William Shatner, and Uhura, Nichelle Nichols, gave audiences television's first scripted interracial kiss on the 1960's television series Star Trek.
8. Presidential kiss
U.S. President Barack Obama and his wife, Michelle, held the nation in sway as they danced during the 57th presidential inauguration on Jan. 21, 2013, in Washington.
9. Political kiss
Soviet leader Mikhail Gorbachev, left, congratulates the East German leader Erich Honecker with a fraternal hug and kiss after Honecker's re-election as general secretary of the Communist Party Congress in East Berlin, in this April 21, 1986, picture. A famous satirical mural of the kissing communists was later painted on the Berlin Wall.
10. Royal kiss
Prince William and wife Kate kiss on the balcony at Buckingham Palace on their wedding day, April 29, 2011. Young bridesmaid Grace van Cutsem, left, found the royal commotion all a bit too much.