March 10, 2005: Issue 82
SIM Style: Modern issues
Use midcentury or midcentury modern to refer to the decorating style prevalent from 1945 to 1965. You don’t need to specify 20th, and note: no hyphens or caps. For other centuries, follow the hyphenation rules for prefixes (in the SIM Stylebook under Hyphens).
correct: in the mid-18th century
correct: by mid-19th-century standards