Decades: 230s BC 220s BC 210s BC 200s BC 190s BC - 180s BC - 170s BC 160s BC 150s BC 140s BC 130s BC

Years: 191 BC 190 BC 189 BC 188 BC 187 BC - 186 BC - 185 BC 184 BC 183 BC 182 BC 181 BC

• The Roman Senate passes a law (the Senatus consultum de Bacchanalibus) prohibiting Bacchanalia -- or the worship of Dionysus -- except under certain circumstances that required the approval of the Senate. The decree proves ineffective.