Some of the organizers of today's demonstration are old enough to remember the protests of the 1960's.
A demonstration in Rome on March 25 to remember Brazilian councilwoman and activist Marielle Franco.
However, Gardner writes, "in the demonstration that followed, she failed to remember a single formula in physics (the subject in which she was majoring) or the color of Hubbard's tie when his back was turned.
Accordingly, things arranged in a fixed order, like the successive demonstrations in geometry, are easy to remember (or recollect) while badly arranged subjects are remembered with difficulty.
The 2014 Hong Kong protests was perhaps the biggest student story of last year, However, on 28 September this year, though, hundreds of students marched on the Hong Kong government headquarters to remember the demonstrations that began a year to the day prior.
On Friday, the US state department said the 24th anniversary of the "violent suppression of demonstrations in Tiananmen Square" prompted it to remember this "tragic loss of innocent lives".
More than likely, two decades from now nobody is going to remember the violent demonstrations which shook Hambantota in 2017.
Hundreds of campaigners descended on Hong Kong's government headquarters on Monday afternoon to remember the 79-day "umbrella movement" demonstrations that began on 28 September last year.
A crowd of several thousand gathered across Ukraine to remember the more than 100 protestors who died in demonstrations that started on November 21 last year.
