- 1974: 3-way handshake
- 1978: TCP and IP split into TCP/IP
- 1983: Jan 1, ARPAnet switches to TCP/IP
- 1986: Internet begins to suffer a congestion collapse
- 1987-8: Van Jacobson fixes TCP, publishes seminal TCP paper (Tahoe)
- 1990: Fast recovery was added (Reno)
Taken from Stanford university Networking course.
Link : https://lagunita.stanford.edu/courses/Engineering/Networking-SP