Today is Lenin's birthday. Growing up in Russia (then USSR) Lenin's birthday was the day everyone gathered outside to clean up the neighborhood: picked up trash, painted benches and planted flowers. To be more accurate this didn't always happen exactly on Lenin's birthday, but on a Saturday close to it, and was called Subbotnik. I always liked this day because I liked seeing people come together and do something for mutual benefit. I had no idea then, that elsewhere this day was called Earth day and in celebration of which people did very similar things. Nowadays Lenin's birthday is no longer celebrated, but luckily Earth day related activities that raise awareness about environmental issues and ways to resolve them, are becoming more popular on an international level.
Learn more about Subbotnik
And Earth Day