What day of the week was June 20, 1566?
The day of the week June 20th, 1566 fell on was a Monday.
Sigismund III Vasa the Polish king (d. 1632) was born on 20 June in 1566.
The day of the week June 20th, 1566 fell on was a Monday.
Sigismund III Vasa the Polish king (d. 1632) was born on 20 June in 1566.