June 20 in history: Patent for telegraph, world's first telephone and much more!

From the patent for telegraph to the world's first telephone, we've got it all covered!

Let's dive in today's history.

1756

Bengal's Nawab Siraj ud-Daulah captures 146 British soldiers.

(Photograph:WION)

1840

Samuel Morse receives patent for telegraph.

(Photograph:WION)

1877

Alexander Graham Bell sets up world's first telephone service in Canada.

(Photograph:WION)

1985

US awards Mother Teresa with Presidential Medal of Freedom.

(Photograph:WION)

1991

The German parliament moves from Bonn to Berlin.

(Photograph:WION)

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