You should do it often. There you go.
A national day is a day on which celebrations mark the nationhood of a nation or state. It may be the date of independence, of becoming a republic, or a significant date for a patron saint or a ruler (such as a birthday, accession, or removal). The national day is often a public holiday.
Answer:
a current flows through the loop of wire.
Explanation: my answers were worded diffrently