Chronopin: upcoming release dates, events and other important dates

Shaft releases Goku Sayonara Zetsubou Sensei, a follow-up OVA continuing Zoku Sayonara Zetsubou Sensei with more stories about the terminally pessimistic teacher Nozomu Itoshiki and the eccentric students of Class 2-H.

A paper titled Bitcoin: A Peer-to-Peer Electronic Cash System, signed Satoshi Nakamoto, is posted to a cryptography mailing list. It describes a chain of proof-of-work timestamps that lets strangers transact without a trusted third party.

GONZO releases the first episode of a two-part Seto no Hanayome OVA, new stand-alone shorts reuniting the cast as San and Luna's overprotective fathers keep testing Nagasumi's nerve during their third year of school.

A privately financed airport built to rival Madrid-Barajas opened near Ciudad Real in December 2008, before closing within four years as one of Spain's most notorious infrastructure failures.

Maikaze's doujin OVA Touhou Niji Sousaku Doujin Anime: Musou Kakyou begins release, an unofficial fan adaptation of the Touhou Project game series following shrine maiden Reimu Hakurei investigating a rash of thefts in Gensokyo.

MADHOUSE's second Hajime no Ippo TV series begins airing, continuing amateur-turned-pro boxer Ippo Makunouchi's climb through Japan's boxing ranks.

Natsume's Book of Friends Season 2 begins its TV run, continuing Takashi Natsume's efforts to return the spirit names bound in his late grandmother's Book of Friends, with his bodyguard youkai Nyanko-sensei in tow.

After the baseball season was over, Goro returned to Japan. There he learned from Toshi that there is going to be a Baseball World Cup the following year hosted in America.

The two-episode OVA xxxHOLiC Shunmuki continues Production I.G's adaptation of CLAMP's manga, picking up directly after xxxHOLiC Kei and tying into the linked Tsubasa Chronicle OVA project.

Tsubasa: Spring Thunder Chronicles premieres, a two-part OVA bundled with the Tsubasa and xxxHOLiC manga's limited editions, continuing Sakura and Syaoran's dimension-hopping search for her lost memories.

A set of bonus Hidamari Sketch x 365 shorts bundled across several Blu-ray/DVD volumes, following the residents of Yunohana Sou through everyday slice-of-life vignettes.

Tokyo Movie Shinsha airs Lupin the 3rd Vs Detective Conan, a crossover TV special pitting master thief Lupin III against teenage detective Conan Edogawa amid a royal succession crisis.

Kyon has found himself dragged through many adventures as of late—all because of the SOS Brigade club and its excitable leader, Haruhi Suzumiya.

Bones' second, manga-faithful adaptation of Fullmetal Alchemist begins airing, following brothers Edward and Alphonse Elric's search for the Philosopher's Stone after a forbidden alchemy ritual costs them their bodies.

Square Enix releases Final Fantasy VII: Advent Children Complete, a re-edited home-video version of the Advent Children film adding roughly 26 minutes of new and revised footage.

Gainax's Gurren Lagann The Movie: The Lights in the Sky are Stars opens in Japanese theaters, the second of two compilation films recapping and continuing the Tengen Toppa Gurren Lagann TV series with new footage covering its back half.

A bonus OVA for the Spice and Wolf light novels arrives on home video, catching up with traveling merchant Kraft Lawrence and the wolf goddess Holo as her illness and a budding rivalry with a fellow traveler draw the two closer together.

TMS Entertainment releases Detective Conan: The Stranger in 10 Years, an OVA imagining Conan Edogawa and Ai Haibara growing up alongside their friends after never taking the antidote to APTX 4869.

TMS Entertainment begins releasing Saint Seiya: The Lost Canvas, an OVA prequel set 243 years before the original Saint Seiya that follows young saint-in-training Tenma and his childhood friend Alone, chosen vessel of Hades.

Evangelion: 2.0 You Can (Not) Advance, the second of the Rebuild of Evangelion films, opens in Japanese theaters, introducing new pilots Asuka and Mari as the Angel attacks escalate toward the Third Impact.

A bonus OVA on Clannad After Story's final DVD volume reimagines the story from an alternate timeline, casting Fujibayashi Kyou as the series' central heroine in place of Nagisa.

Shaft's Bakemonogatari begins airing, the first entry in the Monogatari series following high school student Koyomi Araragi as he helps girls afflicted by supernatural 'oddity' curses after narrowly surviving a vampire attack.

Bell delivered the first production Bell 429, serial number 57006, to Air Methods and MercyOne from its helicopter factory in Mirabel, Quebec.

A compilation OVA recapping all 25 episodes of Code Geass: Lelouch of the Rebellion R2 releases, condensing the second season's story for viewers catching up on the series.

the Garden of sinners Chapter 7, the final chapter of Kara no Kyoukai's theatrical film series, releases in Japanese theaters, resolving Shiki Ryougi's murderous impulses as she and Mikiya close in on a serial killer echoing crimes from her past.