VHS Cassette No. 77 from the Original Videojournal collection contains a fifty-minute recording of the Czechoslovak student demonstration at Jan Opletal's memorial, which took place on 17 November 1989, and is considered to be the beginning of the Velvet Revolution. The recording shows the rally and speeches at Albertov square, a procession through the streets of Prague and then the procession‘s meeting with members of Pohotovostní pluk [police regiment for a state of emergency] at Národní třída [National Boulevard]. Subsequent violence against the marchers caused a strong negative public response and further protests. The VHS cassette also contains recordings of Wenceslas Square demonstrations on 23 and 24 November of the same year.