The Cases – Homicides (Up through 1899) BY ERA: Up through 1899 | 1900s | 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000 – present | Missing Persons The cases below include unsolved Iowa homicides up through 1899, and are listed in chronological order. […]