What happened before 1997?

Why was the Roman colosseum so amazing? What did Democritus think the world was made of? What does the poem Chicago means? Does Prince Charles live in Buckingham palace? What was the main reason to write slave codes? What were baseball player Juan Agosto's batting stats for 1992? What happened to Hawaii and the western U.S. Japanese population during the war? How was segregation different in the north then the south during the 1920s? What special practices or ceremonies do they take part in? How was the 1929 stock market crash solved? What did Fredrick Douglass invent? Which colony was the only Catholic colony? What impact did Livia have on ancient Rome? What was life outside Heian in the late 1100s? Which Greek God would you like to meet? What did those opposed to the spanish american war think of it? What was a major cause of the panic of 1619? War ships used in US Revolutionary War? How did pioneers dig water wells? Imperial rule in Byzantium and Russia?

What happened before 1997?