Stability# Elastic and inelastic column buckling. Euler’s column buckling (1744) Euler's column buckling (1744) Engesser’s tangent-modulus load (1889) Engesser's tangent-modulus load (1889) Young’s eccentric column (1807) Young's eccentric column (1807) Johnson’s parabola (1893) Johnson's parabola (1893)