139

Centuries: 1st century - 2nd century - 3rd century

Decades: 80s 90s 100s 110s 120s - 130s - 140s 150s 160s 170s 180s

Years: 134 135 136 137 138 - 139 - 140 141 142 143 144

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Events

Births

Deaths

• Zhang Heng, Chinese mathematician