or signup to continue reading Good thing I checked, otherwise it would have passed me by. I would not have paused to think about that giant grass which plays such a vital role in the world. The grass whose largest variety can grow 2.

4 centimetres every 40 minutes. The grass which acts as a natural air-conditioner, is a useful building material, a cool and comfortable fabric and, of course, a food source for pandas. Yes, today is World Bamboo Day and I'm wondering why it didn't show up on my digital calendar.

Had I known earlier, I would have planned some kind of celebration. For now, I'll make do with memories. The rickety bamboo scaffolding seen on construction sites in India.

The ethereal silence of the lovingly tended bamboo groves on the flanks of Mount Inari in Kyoto. Chook's bong, held up in class by the nice police officers who visited the school in 1974 as part of a drug education program. Keeping up with all the special days can be a struggle.

Last Thursday, I completely missed , probably because no one rang to check if I was OK (I was). And on Sunday, International Day of Democracy passed without a murmur as did International Dot Day, celebrating creativity, and World Afro Day, which also fell on September 15. This Saturday will be huge, with International Peace Day, Alzheimer's Day and World Gratitude Day all vying for your attention.

And don't forget World Rhino Day on Sunday. It's enough to make your head spin. Here's a list of the other special days we've missed.