It is a historical description based on experienced memories and historical references.
Harlem's historical base of African-Americans has been dwindling.
The red of the Chinese flag has two historical bases.
It is settlement with a historical base and has very deep roots".
According to Dennett, memes let us lift Darwinism from its historical base in biology to the realm of human culture.
Today the business employs 1,200 people, with nearly half of them working in its historical base in Memmingen.
EveryChild's next step was to effectively wind down its programmes and any attempt to direct operations from its historical base in London.
"They're moving in other directions that were not part of their historical base, or where they created names for themselves," Mr. Landy said.
Starting from a considerably weaker historical base, "New Labour" has enjoyed an average majority of a hundred and thirty-seven in the six-hundred-plus-seat House of Commons; the Conservative Party's average majority under Thatcher was ninety-six.
Readers can safely lose themselves in Breslin's stories with full confidence that, while she may be weaving a fictional tale with fictional characters around real people who lived hundreds of years ago, the underlying historical base is sound.
