поставьте глаголы в правильную форму.
Можно написать только глагол, а не всё предложение, но подробно

David Livingstone explored Africa.

Julius Caesar created a strong Roman Empire.

The Great Fire of London happened in 1666.

Alexander the Great became one of the most talented commanders.

Cleopatra died of a poisonous snake's bite.

Sir Benjamin Hall built the symbol of London - Big Ben.

Paul McCartney got many international awards for his music.

Isaac Levitan drew fine sketches now housed in his museum in PIyos.

Michael Lomonosov founded the Moscow State University.

Vladimir Putin has made our country one of the most powerful in the world.

О живых людях не говорят в Past Simple.