Riddles for History Buffs and Time Travelers

I crossed the Rubicon and changed a republic forever. Who am I?

I wrote a diary in hiding that taught hope. Who am I?

I rode at midnight to warn colonists. Who am I?

I painted creation across a famous ceiling. Who am I?

I marched with salt to challenge an empire. Who am I?

I said the Sun, not Earth, belonged at the center. Who am I?

I began with tea, pamphlets, and rebellion. What am I?

I am carved in South Dakota with four faces. What am I?

I sailed west with three ships and reached the Americas. Who am I?

I begin with We the People. What am I?

I am the year the Berlin Wall fell. What am I?

I shortened travel between the Atlantic and Pacific. What am I?

I was the nurse called the Lady with the Lamp. Who am I?

I was a cipher machine from World War II. What am I?

I led pioneers west in covered wagons. What am I?

I am the ancient queen linked with Egypt and Rome. Who am I?

I am the wall built across northern Britain. What am I?

I am the ship that carried pilgrims in 1620. What am I?

I am the speech that began Four score and seven years ago. What am I?

I am the empire famous for roads and legions. What am I?

I am the document signed in 1215 limiting a king. What am I?

I am the French fortress stormed in 1789. What am I?

I am the inventor linked with the light bulb. Who am I?

I am the pilot who crossed the Atlantic solo. Who am I?

I am the movement that fought for voting rights. What am I?

I am the route that carried goods across Asia. What am I?

I am the ancient writing carved into Egyptian stone. What am I?

I am the Black civil rights leader with a dream. Who am I?

I am the museum clue that points to the past. What am I?

I turn timelines into a guessing game. What am I?