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The years 1890 and 1892 were significant in the context of the late 19th century, marked by various political, social, and technological developments. In 1890, the United States conducted its first census, revealing a population of 62,947,714, and the country celebrated its 115th anniversary of independence. The year also saw the completion of the Eiffel Tower in Paris, France, which was constructed for the 1889 World's Fair. In the realm of technology, the first practical telephone exchange was established in New Haven, Connecticut, by Almon B. Strowger.

1892 was a year of significant political events. The United States and the United Kingdom signed the Anglo-American Convention, which established the boundaries of Alaska. The year also saw the assassination of Brazilian President Dom Pedro II, marking the end of the Brazilian Empire. In the realm of science, the first successful X-ray image was produced by Wilhelm Conrad Röntgen, who discovered the X-ray in 1895. The year also saw the publication of "The Origin of Species" by Charles Darwin, which had a profound impact on the field of biology.