Home2008 Treaties and Agreements ...Lesotho (08-917) – Millennium Challenge Compact hide Lesotho (08-917) – Millennium Challenge Compact TIAS Office of Treaty Affairs September 17, 2008 Foreign Assistance Millennium Challenge Compact signed at Washington July 23, 2007; entered into force September 17, 2008. With annexes. Download attachment [4 MB] Tags Foreign Assistance Lesotho Treaties