The 2020s are the first decade since the end of World War II in which Germany has not reached a FIFA World Cup final.
After losing to Paraguay, and the next World Cup being in 2030, the 2020s are the first decade since WW2 without a final for Germany.
They‘ve reached the World Cup final in 1954, 1966, 1974, 1982, 1986, 1990, 2002, and 2014.