[Arthur McGowan]

So it was TWO decades after Vatican I.

[annalex]

Rerum Novarum was, by the way, discussed at FR last year primarily from a libertarian perspective:

Pursuit of Liberty: Rerum Novarum. 1-15, Man and Property
Pursuit of Liberty: Rerum Novarum. 16-30, The Church, the Rich, and the Poor
Pursuit of Liberty: Rerum Novarum. 31-47, The State
Pursuit of Liberty: Rerum Novarum. 48-End, The Civil Society