Why do we hold a minute's silence?

Name: Why do we hold a minute's silence?
Uploaded: 2017-06-06T06:05:42.000Z
Duration: 1 min 8 s
Description: On Tuesday there will be a national minute's silence to remember the people killed and injured in the attack at London Bridge. Where does the minute silence come from?

This video can not be played

To play this video you need to enable JavaScript in your browser.

The One Love concert in Manchester on Sunday night started with a moment's silence.

This was to remember those who had lost their lives or been affected by the attack in Manchester two weeks earlier.

But why do we hold a silence to pay tribute in this way?

6 June 2017