Uganda's Anti-Homosexuality Act signed into law in May
The SDG Summit will take place during the U.N. General Assembly
Ugandan President Yoweri Museveni in May signed Anti-Homosexuality Act
Law calls for death penalty for 'aggravated homosexuality'
World Health Organization declassified homosexuality as mental disorder on May 17, 1990
MPs voted to repeal provision of 1969 law
Experimental vaccine called safe but ineffective
Jill Biden made announcement on Saturday in Panama
UNAIDS applauded move in spite of NGO questions
'Today is a momentous day in history'