When was the telephone first shown to the public?

Alexander Graham Bell first displayed his electric telephone in 1876 at the Centennial Exhibition in Philadelphia, Pennsylvania.

What was the first cartoon shown in U.S. movie theaters with a regular feature? In 1909, Gertie the Dinosaur, created by New York Journal cartoonist Winsor McKay, became the first cartoon shown in movie houses along with a regular feature.
What was the first movie shown in the White House? D. W. Griffith's Birth of a Nation in 1916 was the first movie shown in the White House. Woodrow Wilson was president at the time.
When was the first public opinion poll taken? To assess voters' preferences in the 1824 presidential election, citizens were asked whom they preferred. This was the first public opinion poll. The results, published in the…
When did Central Park in New York first open to the public? Central Park in New York first opened to the public in October 1858.
Was Gerald R. Ford the first incumbent president to agree to public debates with a challenger? Yes, Ford was the first incumbent president to agree to public debates. He gained that claim to fame in 1976 when he debated Jimmy Carter. The debates…
Where was the first public showing of a motion picture in the U.S.? The first public showing of a motion picture in the U.S. took place on April 23, 1896, at New York's Koster & Bial Music Hall on 34th…