Home2021 Treaties and Agreements ...Senegal (21-909) – Millennium Challenge Compact hide Senegal (21-909) – Millennium Challenge Compact TIAS Office of Treaty Affairs September 9, 2021 Foreign Assistance: Millennium Challenge Signed at Washington December 10, 2018; entered into force September 9, 2021. With Annexes. Download Agreement [12 MB] Tags Foreign Assistance Millennium Challenge Senegal Treaties