As West Ham United prepare to take on Eintracht Frankfurt in the semi-finals of the Europa League, their last campaign in the competition feels a world away.
Back then, Slaven Bilic's Hammers were coming off the high of their seventh-place finish in the final season at Upton Park, but still coming to terms with their future at a new - and not universally liked - home ground.
The first game at the London Stadium had seen them overturn a first-leg deficit to overcome Slovenia's NK Domzale, but the next round brought a familiar foe.