The One Day Without Us campaign set up rallies and events across the country, from London to Edinburgh to Birmingham.

The national day of action aims to celebrate the contributions of migrants in the UK and to “stand against hatred, xenophobia and intolerance”. 

https://www.theguardian.com/world/2018/feb/17/one-day-without-us-rallies-held-across-uk-to-celebrate-migrants-role-in-society?CMP=Share_iOSApp_Other