On this day, March 21, in 1887, Dr. Jose Rizal’s novel Noli Me Tangere was printed in Berlin, Germany.
The official calendar of the Republic of the Philippines: an almanac of Philippine commemorations enlivened with illustrations and information. –Manila: Presidential Communications Development and Strategic Planning Office, [2014].
On this day in 1963, authorities demolished the federal prison on Alcatraz island in San Francisco Bay.
https://www.britannica.com/on-this-day/March-21
On this day in 1925, the Butler Act became law in Tennessee prohibiting schools from teaching the theory of evolution. This is the source of John Scopes’ case of breaking the law.
https://www.todayinsci.com/3/3_21.htm
March is Women’s Role in History Month (Proclamation No. 227, s. 1988)