Although mentioned several times in the Biblical texts, the actual existence of the Hittites was largely forgotten until the late 19th century CE. With the discovery of Hattusa in 1834 CE, the city that was for many years the capital of the Hittite Empire, the Hittites were finally recognized as one of the great superpowers of the ancient Middle East in the Late Bronze Age (1550 - 1200 BCE).
This is a companion discussion topic for the original content at https://www.worldhistory.org/article/1359/five-key-historical-sites-of-the-hittites/.