Black Friday Sale more, several hundred leading online vendors will be involved, among them Douglas Holding, HP, Sony, Tally Weijl and Weltbild. eBay and PayPal are also featured as official partners of the event. Black Friday Sale Black Friday Sale is a joint sales initiative by hundreds of online vendors in Germany, Austria and Switzerland, inspired by the American Black Friday. The event was first launched on 28 November 2013: Over its 24-hour run, more than 1.2 million people visited the site, making it the single largest online shopping event in German speaking countries. Many leading online retailers such as Zalando, Disney Store,
Friday the 13th are on the 13th. The 13th day of the month is slightly more likely to be a Friday than any other day of the week. On average, there is a Friday the 13th once every 212.35 days, whereas Thursday the 13th occurs only once every 213.59 days. In the 2010s there were three Friday the 13ths in 2012 and 2015, and two in 2013, 2017 and 2018. There will also be two in 2019 and 2020. In the 2020s, there will be three F13's in 2026, and two in 2020, 2023, 2024, and 2029. The rest of years have at