1. Catherine II   Empress of Russia who succeeded her husband Peter III   Queen of England who succeeded William IV   Prime Minister of India   Prime Minister of Sri Lanka   Hint Half-n-half Clue   2. Theodora   Empress of Byzantine   Queen of England who succeeded Edward VI   Queen of England who succeeded William IV   Prime Minister of Great Britain   Half-n-half Clue   3. Sirimavo Bandaranaike   Queen of England who succeeded William IV   Empress of Russia who succeeded her husband Peter III   Prime Minister of Sri Lanka   Prime Minister of Great Britain   Half-n-half Clue   4. Indira Gandhi   Prime Minister of Sri Lanka   Empress of Byzantine   Empress of Russia who succeeded her husband Peter III   Prime Minister of India   Half-n-half Clue   5. Victoria   Prime Minister of Sri Lanka   Queen of England who succeeded William IV   Prime Minister of Great Britain   Empress of Russia who succeeded her husband Peter III   Half-n-half Clue   6. Cleopatra   Empress of Byzantine   Empress of Russia who succeeded her husband Peter III   Prime Minister of Sri Lanka   Queen of Egypt   Half-n-half Clue   7. Elizabeth I   Queen of England who was the last Tudor   Prime Minister of India   Empress of Byzantine   Prime Minister of Great Britain   Half-n-half Clue