According to Official Guinness Records,
On 10 August 2003, Yuri Malenchenko (Ukraine) married his fiancée Ekaterina Dmitriev (USA) from an altitude of 396 km (214.3 nautical miles). The marriage was performed over a video conference link between the bride in Houston, Texas, USA and the groom who, at the time, was commander of the Expedition 7 mission to the International Space Station.
For a complete list of 2003 records, please visit 2003 Guinness Records in Ukraine.