Thespis

Thespis, the father of Greek tragedy, hence Thespian art for the drama.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Theseus * Thessalonians, Epistle to the
[wait for the fun]
Theodosius I., the Great
Theognis
Theology
Theophrastus
Theosophy
Therapeutæ
Thermo-dynamics
Thermopylæ
Thersites
Theseus
Thespis
Thessalonians, Epistle to the
Thessalonica
Thessaly
Thetford
Thetis
Theuriet, André
Thialfi
Thierry, Jacques Nicolas Augustin
Thiers, Louis Adolphe
Thing