この事件の事はまるで昨日の事のようにはっきり覚えています。

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

event; affair; incident; case; plot; trouble; scandal

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

thing; matter; incident; occurrence; event; something serious; trouble; crisis; circumstances; situation; state of affairs; work; business; affair; after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to; nominalizing suffix; pretending to ...; playing make-believe ...; alias; aka; nickname; alternative name; also known as

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

quite; entirely; completely; at all; as if; as though; just like

yesterday

in order to (e.g. meet goal); so that; take care (so as); hoping or wishing for something

clearly; plainly; distinctly; to be clear; to be definite; to be certain; to be exact; to become clear; to clear up

to memorize; to memorise; to commit to memory; to learn by heart; to bear in mind; to remember; to learn; to pick up; to acquire; to feel; to think; to regard