2021 is going to be a special year. In the last 100 years these have been the other special years:

1921, 1923, 1927, 1929, 1934, 1937, 1939, 1941, 1942, 1943, 1945, 1954, 1957, 1959, 1961, 1963, 1966, 1967, 1969, 1977, 1981, 1982, 1983, 1985, 1991, 1994, 2005, 2018, 2019, 2021

What makes it special? Answer to follow soon!