The history timeline of computers and electronics entertainment with special consideration for Amiga and Poland

1938, Electronic computing machine
The first freely programmable (mechanical) computer in the world.
Built in Berlin, Germany
Konrad Zuse
1939, Electronic computing machine
ABC - Atanasoff-Berry Computer
The first electronic computing machine for special scientific purposes. Built of vacuum tubes. Not programmable.
Prototype built in Iowa State College, USA
John Vincent Atanasoff, Clifford Berry
1947, Transistor
The very first working prototype of transistor.
Invented in Bell Labs, USA
John Bardeen, Walter Brattain, William Shockley
1958, Integrated circuit
First integrated circuit made from germanium. It integrates few transistors in a single chip.
Invented in Texas Instruments, USA
Jack Kilby
1958, Autumn, Digital machine (early computer)
The very first Polish fully working universal digital machine.
Assembled with vacuum tubes. Projected and built in Zakład Aparatów Matematycznych PAN in Warsaw, Poland
Team leaded by Leon Łukaszewicz