Chávez was also an early environmentalist, warning the public of the devastating effects of pesticides on both farmworkers and consumers.
"Each generation makes its own history... We need your voices here now more than ever."
A total of 146 workers - almost all of them immigrant women - were killed in a fire at the Triangle Shirtwaist Factory.
Unionized California teachers are among the many categories of workers nationwide whose unions are under attack by anti-labor lawmakers.
Colleen M. Kelley, the NTEU president for the last 16 years, will retire at the end of the union's convention this August.
A new report from the Berger-Marks Foundation gives working women a "how-to" guide to establish women's committees within unions.
Members of federal workers and postal employee unions mobilized against Republican budget schemes that would - again - cut their pay.
"Today marks the first time in West Virginia history that our state officially reduced safety standards for coal miners."
Rauner intends to hurt "the men and women who do the real work of state government."
The student-led boycott will be launched at Ohio State University and will snowball over the coming months as dozens more universities adopt it.