maundy thursday

This is how the pontiff observed Holy Thursday before Easter.
The pope also officially decreed that women -- previously barred from the ceremony -- would now be included.
Maundy Thursday marks the Last Supper of Jesus before his crucifixion.
Christians around the world observe Jesus's crucifixion and resurrection during Holy Week.
The celebration of Good Friday is ancient, dating at least to the 4th century. But why is it called a "good" day?