Poland had three presidents in 1990: Wojciech Jaruzelski, Ryszard Kaczorowski, and Lech Wałęsa.
Wojciech Jaruzelski was the last communist president of Poland. He served from 1985 to 1990.
Ryszard Kaczorowski was the last president of the Polish Republic in Exile. He served from 1986 to 1990.
Lech Wałęsa was the first democratically elected president of Poland. He served from 1990 to 1995.
Jaruzelski resigned on December 31, 1989, and Kaczorowski became president on January 1, 1990. Wałęsa was elected president on December 9, 1990, and was inaugurated on December 22, 1990.
