On this day in 1887, "Unua Libro," the first book to describe the international language of Esperanto, was published in Warsaw. Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

On this day in 1887, "Unua Libro," the first book to describe the international language of Esperanto, was published in Warsaw. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

On this day in 1887, "Unua Libro," the first book to describe the international language of Esperanto, was published in Warsaw. Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com" rel="noopener noreferrer">https://www.iheartpodcastnetwork.com</a>See <a href="https://omnystudio.com/listener" rel="noopener noreferrer">omnystudio.com/listener</a> for privacy information.

"Unua Libro" first published - July 26, 1887

From the desk of “Stuff You Missed in History Class,” “This Day in History Class” quickly recounts a tidbit from today’s events in history.

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"Unua Libro" first published - July 26, 1887

"Unua Libro" first published - July 26, 1887