Francium was discovered, see the link.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939 in France.
The name francium is derived from France because Fr was discovered in France.