BASTILLE DAY: The International Socialist Workers Congress convenes in Paris, in observance of the centennial of the French Revolution. 

       Postscript: Over the course of the week-long conclave, the delegates chose to observe the anniversary of the May 1, 1886 Chicago, Illinois Haymarket Riot, as International Labor Day.

       [restored 5/15/2022]

Subsequent Events:

References:

International Workers’ Day – Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/International_Workers%27_Day#History

International Workers Congresses of Paris, 1889 – Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/International_Workers_Congresses_of_Paris,_1889

Current U.s. National Debt:

$36,167,124,467,492

Source