The period of activity for republican groups is shown in green.

This combined with laws that oppressed republican groups caused the workers to rebel.

It was claimed that they were searching for a leading member of a rival republican group, intent on killing him.

This led radical republican groups to argue that Irish independence could never be won peacefully and gave the northern question little thought at all.

The man killed by the non-specific republican group was a Catholic civilian.

A number of republican groups also commemorate the Easter Rising.

This was part of a feud between the two republican groups.

The Eureka Flag appears in connection with some republican groups.

A fourth threat is posed by dissident Irish republican groups.

During the war, the union collaborated with other republican groups opposed to the Nationalists.