41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
5226707
494067
2
Public Timelines
FAQ

jan 1, 1968 - Up quark discovered Down quark discovered Strange quark discovered W & Z bosons theorized

Added to timeline:

Date:

jan 1, 1968
Now
~ 58 years ago