The Yalta Conference took place in a Russian resort town in the Crimea from February 4–11, 1945, during World War Two. These treaties establish rules governing liability arising from international air carriage.This includes liability arising from injuries and deaths to persons. This is the United Nations Treaty Collection homepage. Here you will find related information and links. Preamble. The States Parties to the present Covenant,. United States' international agreements have been in the form of an executive agreement.