Sir Patrick Stewart among speakers at anti-Brexit rally

The transcript discusses the unmet promises of Brexit, highlighting the defeat of Boris Johnson's Brexit deal by 16 votes. It emphasizes the importance of the rule of law and the expectation for the Prime Minister to seek an extension. The speaker acknowledges differing views on EU membership but criticizes politicians who exploit the issue for power. Gratitude is expressed for public support, and the current status of the UK as a member of the EU as of October 19, 2019, is noted.

How does the speaker feel about politicians who use Brexit for power?

What is the significance of the date mentioned in the text?