What element has the symbol 'Ga'?

The story behind the answer

Ga is the chemical symbol for gallium. Gadolinium is Gd, Gold is Au (from Latin aurum), and “Galliumite” isn’t an element. Discovered in 1875 by Paul-Émile Lecoq de Boisbaudran, gallium was named after “Gaul,” the Latin for France—possibly also a pun