Question

in 1913 Siddhu built the world's first airplane with 4 engines into passive voice​

Answer 1

Explanation:

the world's first airplane with four engines was built by Siddhu in 1913

Answer 2

Answer:

The world's first airplane with 4 engines was built by Siddhu in 1913.

Or

In 1913 the world's first airplane with 4 engines was built by Siddhu.

Hope it helps