Black Friday Sale more than 50.000 users simultaneously accessed the site, temporarily causing delays and server overloads. The overwhelming numbers of visitors also caused the servers of several online shops, such as the electronics store Saturn, to suffer significant downtime. Despite the technical problems, the first Black Friday Sale generated a significant turnover and was considered a notable success by online retailers and organizers alike. After successfully launching in 2013, and having a successful 2014, 2015 and 2016, the Black Friday Sale is set to return on 24 November 2017. Online shoppers are expected to spend billions on this Black Friday sale. Once
Friday the 13th Friday the 13th Friday the 13th is considered an unlucky day in Western superstition. It occurs when the 13th day of the month in the Gregorian calendar falls on a Friday, which happens at least once every year but can occur up to three times in the same year,for example in 2015, on 13 Feb, 13 March and 13 October. In 2017, it occurred twice, on 13 January and 13 October. In 2018, it also occurred twice, on 13 April and 13 July. There will be two Friday the 13ths every year until 2020; 2021 and 2022 will have just