His memorial service is set for Saturday morning at 10 a.m. local time (4 a.m. ET) and his body will be buried at Rome's Basilica of Saint Mary Major in a simple wooden casket, per his request.

The clash in style between Donald Trump and Pope Francis and their positions on migration, the environment and poverty will come into sharper focus as the president travels to Rome for Francis’ funeral.

President Donald Trump had a complicated relationship with Pope Francis, whose funeral he plans to attend Saturday.