Sirimavo Ratwatte Dias Bandaranaike ( Sinhala : ස ර ම ව රත වත ත ඩයස බණ ඩ රන යක , Tamil : சிறிமாவோ ரத்வத்த டயஸ் பண்டாரநாயக்க ; 17 April 1916 - 10 October 2000 ) was a Sri Lankan politician and the modern world 's first female head of government .
Sirimavo Ratwatte Dias Bandaranaike ( 17 April 1916 - 10 October 2000 ) was a Sri Lankan politician .