Prince William and his wife Catherine Middleton, now the Duchess of Cambridge, kiss on the balcony of Buckingham Palace, following their wedding at Westminster Abbey in London on April 29. PA Photos/ABACAPRESS.COM/Newscom
Prince Charles and his new bride Diana kiss on the balcony of Buckingham Palace after the royal wedding in London on July 29, 1981. MacDonald Alisdair/Newscom/File
The Duke and Duchess of York kiss on the balcony of Buckingham Palace on their wedding day on July 23, 1986. PA/ABACAUSA.COM/Newscom/File
Just-married Dutch Crown Prince Willem-Alexander receives a kiss from his new wife Maxima on the balcony of the Royal Palace in Amsterdam on their wedding day on February 2, 2002. Boris Roessler/Newscom/File
Prince Joachim of Denmark kisses Marie Cavallier at their wedding in the Mogeltonder church in south Jutland, Denmark, on May 24, 2008. Nieboer/Picture Press/Newscom/File
Norway's Princess Maertha Louise and her groom, Ari Behn, kiss outside Trondheim Cathedral at their wedding on May 24, 2002. Lise Aserud/AFP/Newcom/File
Tatiana Blatnik and Nicolas, second son of Greece's former King Constantine, kiss while leaving the orthodox Church of Saint Nicolas after their wedding ceremony on the island of Spetses on Aug. 25, 2010. Louisa Gouliamaki/AFP Photo/Newscom/File
Crown prince Frederik and Crown princess Mary of Denmark kiss on the balcony at Amalienborg castle to the cheers of thousands in Copenhagen on May 14, 2004, after their wedding at Copenhagen's cathedral. Odd Andersen/AFP Photo/Newscom/File
Bride Tessy Antony and groom Prince Louis of Luxembourg kiss after their church wedding in Gilsdorf, Luxembourg, on Sept. 29, 2006. Albert Nieboer/Newscom/File
Obama phoned Russia's Vladimir Putin Thursday to discuss a US proposal for resolving the Ukraine crisis. Earlier, the US moved to begin a regimen of sanctions against Russia. Will those be enough to prevent Russia's annexation of Crimea?
[Updated 9:30 p.m. ET] President Obama appealed to Russian President Vladimir Putin late Thursday, during a personal phone call, to agree to direct talks with Ukraine aimed at resolving, through diplomacy rather than military confrontation, Russia's concerns about the future direction of the Ukrainian government and of the rights of ethnic Russians living in Ukraine.