Centuries: 1st century - 2nd century - 3rd century
Decades: 100s 110s 120s 130s 140s - 150s - 160s 170s 180s 190s 200s
Years: 151 152 153 154 155 - 156 - 157 158 159 160 161
Births
Deaths
... to the force applied. This is why spinning gyro tops will not simply fall over, but start precessing around. (The precessing motion is perpendicular to th ...