Assertion: president | /r/HasProperty | unmarried
Facets:
value: historically
type: TEMPORAL
Source sentences:
text: Historically, should a president be unmarried, or a widower, the president usually asks a relative or friend to act as White House hostess.
text: Although the role of the first lady as White House hostess dates from the beginning of the republic (and was typically filled by another member of the president's family if the president was unmarried or a widower), with a few exceptions, it was generally not until the late 20th century and early 21st century that vice-presidential wives took on public roles that attracted significant media attention.