Which ancient civilization is credited with inventing the concept of zero?

Which treaty officially ended World War I?

Who was the leader of the Bolshevik Revolution in Russia?

Which of the following was NOT a member of the Axis powers during World War II?

What was the name of the dynasty that ruled China immediately before the Qing Dynasty?

Which year did the French Revolution officially begin?

Who commanded the Continental Army during the American Revolutionary War?

Which empire built Machu Picchu?

Which conflict is considered the deadliest in human history?

Which of the following Hindu texts contains the dialogue between Shri Krishna and Arjuna?