King Arthur and the knights of the round table is a fictitious story, thus there is no actual date when it was used. However the story is set in a time somewhere between when the Romans left Britain (400AD) and the Norman Conquest (1000 AD).
Oak is commonly used for round table legs due to its strength and durability.
When I take part in a round table, the event is two words. When used attributively, it is hyphenated, eg I attended a round-table discussion. It is a modifier, two words joined together with the hyphen.
For banquets, a 6 ft (72inch) round table is typically used to seat 10 people comfortably
there were 150 knights at the round table
The round table symbolized equality, having no head of the table.
The round table symbolized equality. When King Arhur and his knights sat down at the Round Table, it had no head of the table. So, while sitting at The Round Table, no one person was greater than another. Everyone was equal.
King Arthur had a round table.
the runt of the round table is a play on words, it is a weeknight.
Robin Hood wasn't at the round table
Round Table India was created in 1957.
Cologne Round Table was created in 1991.
Oxford Round Table was created in 1989.