1) The Berlin Conference in 1884-1885 divided Africa among European powers and set the stage for the colonization of the continent.

2) The world's largest diamond, the Cullinan, was discovered in South Africa in 1905 and weighed over 3,000 carats.

3) The rise of remote work and digital transformation has been accelerated by the COVID-19 pandemic, leading to changes in work dynamics, reliance on digital technologies, and the reimagining of traditional office spaces.

4) The Brexit process, initiated by the United Kingdom's referendum in 2016, led to the country's withdrawal from the European Union in 2020, marking a significant political and economic change for both the UK and the EU.